diff --git a/spec/services/decidim/plans/section_controller/attachment_spec.rb b/spec/services/decidim/plans/section_controller/attachment_spec.rb
new file mode 100644
index 00000000..9b52f869
--- /dev/null
+++ b/spec/services/decidim/plans/section_controller/attachment_spec.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+module Decidim
+  module Plans
+    module SectionControl
+      describe Attachments do
+        subject { described_class.new(form) }
+        let(:form) { Decidim::Plans::ContentData::FieldAttachmentsForm.from_params(add_attachments: images, content_id: content.id, section_id: section.id) }
+        let(:section) { create(:section, :field_image_attachments, component: plan.component) }
+        let(:component) { create(:plan_component) }
+        let(:organization) { component.organization }
+        let(:author) { create(:user, :confirmed, organization: organization) }
+        let(:plan) { create(:plan, component: component) }
+        let(:content) { create(:content, :field_attachments, plan: plan, images: images, user: user) }
+        let(:documents) { create_list(:attachment, 3, :with_pdf, attached_to: plan) }
+        let(:images) { create_list(:attachment, 3, :with_image, attached_to: plan) }
+        let!(:user) { create(:user, :confirmed, organization: organization) }
+
+        describe "prepare!" do
+          it "returns true with total weight" do
+            expect(subject.prepare!(plan)).to be true
+            expect(subject.total_weight).to eq(0)
+          end
+        end
+
+        describe "save!" do
+          context "with attachements are saved!" do
+            before do
+              allow(form).to receive(:current_user).and_return(user)
+              subject.prepare!(plan)
+            end
+
+            it "saves the attachements and return them" do
+              subject.save!(plan)
+              expect(subject.total_weight).to eq(3)
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/spec/system/explore_plans_spec.rb b/spec/system/explore_plans_spec.rb
new file mode 100644
index 00000000..3c96fabb
--- /dev/null
+++ b/spec/system/explore_plans_spec.rb
@@ -0,0 +1,259 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+describe "explore plans", type: :system do
+  with_versioning do
+    let(:component) { create(:plan_component, :with_creation_enabled) }
+    let(:organization) { component.organization }
+    let(:user) { create(:user, :confirmed, :admin, organization: organization) }
+    let!(:plans) { create_list(:plan, 10, component: component) }
+    let!(:evaluating) { create_list(:plan, 5, :evaluating, component: component) }
+    let!(:rejected) { create_list(:plan, 3, :rejected, component: component) }
+    let!(:withdrawn) { create_list(:plan, 2, :withdrawn, component: component) }
+    let!(:accepted) { create(:plan, :accepted, component: component) }
+
+    describe "index" do
+      before do
+        switch_to_host(organization.host)
+        visit decidim_plan.plans_path
+      end
+
+      it "renders the index page" do
+        expect(page).to have_content("Browse proposals")
+        expect(page).to have_css("form.new_filter")
+        expect(page).to have_css("input[type='radio'][value='all']", count: 1)
+        expect(page).to have_css("input[type='radio'][value='accepted']", count: 1)
+        expect(page).to have_css("input[type='radio'][value='rejected']", count: 1)
+        expect(page).to have_css("input[type='radio'][value='evaluating']", count: 1)
+        expect(page).to have_css("a.action-link", text: "Submit a proposal")
+        expect(page).to have_link("Submit a proposal", href: decidim_plan.new_plan_path)
+      end
+
+      it "filters the plans" do
+        choose_filter("All")
+        within "#plans .cards-list" do
+          plans = find_all(".column")
+          expect(plans.count).to eq(19)
+        end
+
+        choose_filter("Evaluating")
+        wait_a_bit
+        within "#plans" do
+          plans = find_all(".column")
+          expect(plans.count).to eq(5)
+        end
+
+        choose_filter("Accepted")
+        within "#plans" do
+          expect(page).to have_selector(".column#plan_#{accepted.id}")
+        end
+
+        click_link "See all withdrawn" do
+          within "#plans" do
+            plans = find_all(".column")
+            expect(plans.count).to eq(2)
+          end
+          expect(page).to have_content(translated(withdrawn.first.title))
+          expect(page).to have_content(translated(withdrawn.last.title))
+        end
+      end
+
+      it "searches through the plans" do
+        within ".filters" do
+          fill_in "Search", with: translated(accepted.title)
+          click_on "Search"
+          wait_a_bit
+        end
+        within "#plans" do
+          plans = find_all(".column")
+          expect(plans.count).to eq(1)
+          expect(page).to have_selector(".column#plan_#{accepted.id}")
+        end
+      end
+
+      context "when a draft plan exist" do
+        let!(:plan) { create(:plan, :open, component: component, published_at: nil, users: [user]) }
+        let!(:content) { create(:content, plan: plan) }
+
+        before do
+          sign_in user
+          visit current_path
+        end
+
+        it "shows link to the draf plan" do
+          expect(page).to have_content("You have a proposal draft!")
+          expect(page).to have_link("Continue your proposal", href: decidim_plan.edit_plan_path(plan.id))
+        end
+
+        it "adds the version" do
+          expect(page).to have_link("Continue your proposal", href: decidim_plan.edit_plan_path(plan.id))
+          click_link "Continue your proposal"
+          fill_in "contents[#{plan.sections.first.id}][body_en]", with: "Update text"
+          click_button "Preview"
+          expect(page).to have_content("VERSION 2 (of 2)")
+          click_link "Edit"
+          expect(page).to have_current_path(decidim_plan.edit_plan_path(plan.id))
+        end
+      end
+    end
+
+    describe "new plan" do
+      let!(:section) { create(:section, component: component, mandatory: true) }
+
+      before do
+        switch_to_host(organization.host)
+        visit decidim_plan.new_plan_path
+      end
+
+      it "renders sign in" do
+        expect(page).to have_content("Submit a proposal")
+        expect(page).to have_content("You need to sign in before submitting a proposal")
+        click_link("Sign in", match: :first)
+        expect(page).to have_content("Please sign in")
+        expect(page).to have_field("Email")
+        expect(page).to have_field("Password")
+      end
+
+      context "when signed in" do
+        before do
+          sign_in user
+          visit current_path
+        end
+
+        it "renders the page" do
+          expect(page).to have_content("Submit a proposal")
+          expect(page).to have_button("Save as draft")
+          expect(page).to have_button("Preview")
+          expect(page).to have_field("contents[#{section.id}][body_en]")
+          expect(page).to have_link("Back to proposals list")
+          click_button "Preview"
+          expect(page).to have_content("There's an error in this field")
+          fill_in "contents[#{section.id}][body_en]", with: "Dummy text"
+          click_button "Save as draft"
+          expect(page).to have_content("Created successfully.")
+          expect(page).to have_link("Delete draft")
+          plan = Decidim::Plans::Plan.last
+          content = Decidim::Plans::Content.last
+          expect(translated(content.body)).to eq("Dummy text")
+          expect(plan.state).to eq("open")
+        end
+
+        it "deletes the draft" do
+          fill_in "contents[#{section.id}][body_en]", with: "Dummy text"
+          click_button "Save as draft"
+          plans = Decidim::Plans::Plan.all
+          expect(plans.count).to eq(22)
+          expect(page).to have_link("Delete draft")
+          click_link "Delete draft"
+          expect(page).to have_content("Are you sure you want to delete this draft?")
+          find(".button[aria-label='OK']").click
+          expect(page).to have_content("Deleted successfully.")
+          expect(page).to have_current_path(decidim_plan.new_plan_path)
+          expect(plans.reload.count).to eq(21)
+        end
+
+        it "previews plan" do
+          fill_in "contents[#{section.id}][body_en]", with: "Dummy text"
+          click_button "Preview"
+          created_plan = Decidim::Plans::Plan.last
+          expect(page).to have_current_path(decidim_plan.preview_plan_path(created_plan.id))
+          expect(page).to have_content("Your proposal has not yet been published")
+          expect(page).to have_link("Go to proposals list", href: decidim_plan.plans_path)
+          expect(page).to have_button("Publish")
+          expect(page).to have_link("Modify", href: decidim_plan.edit_plan_path(created_plan.id))
+          expect(page).to have_link("Withdraw proposal", href: decidim_plan.withdraw_plan_path(created_plan.id))
+          expect(page).to have_content("VERSION 1 (of 1)")
+          within ".card-data__item.authors_status" do
+            expect(page).to have_content("1")
+          end
+        end
+      end
+    end
+
+    describe "explore authors" do
+      let!(:plan) { create(:plan, :open, component: component, published_at: nil, users: [user]) }
+      let!(:content) { create(:content, plan: plan) }
+      let!(:user1) { create(:user, :confirmed, organization: organization) }
+
+      before do
+        sign_in user
+        switch_to_host(organization.host)
+        visit decidim_plan.plan_path(plan.id)
+      end
+
+      context "with unpublished plan" do
+        it "does not show add authors button" do
+          expect(page).not_to have_button("Add authors for proposal")
+        end
+      end
+
+      context "with published plan" do
+        before do
+          plan.update!(published_at: Time.current)
+          visit current_path
+        end
+
+        it "show/edits authors" do
+          expect(page).to have_button("Add authors for proposal")
+          within ".card-data__item.authors_status" do
+            expect(page).to have_content("1")
+          end
+
+          click_button "Add authors for proposal"
+          expect(page).to have_content("Add authors for proposal")
+          fill_in "Write the author's name or nickname", with: user1.name
+
+          expect(page).to have_css("ul#autoComplete_list_1")
+          first_option = page.find("#autoComplete_list_1 li:first-child")
+          first_option.click
+          click_button "Next"
+          expect(page).to have_current_path(decidim_plan.add_authors_plan_path(plan.id))
+          expect(page).to have_content("ADD AUTHORS FOR PROPOSAL")
+          expect(page).to have_link("Back to proposal", href: decidim_plan.plan_path(plan.id))
+          within ".author__name--container" do
+            expect(page).to have_content(user1.name)
+          end
+          expect(page).to have_button "Add authors"
+          expect(page).to have_link("Cancel", href: decidim_plan.plan_path(plan.id))
+
+          click_button "Add authors"
+          expect(page).to have_content("Successfully added authors for the proposal.")
+          expect(plan.reload.authors).to include(user1)
+          expect(plan.authors.count).to eq(2)
+        end
+
+        it "withdraws the plan" do
+          expect(page).to have_link("Withdraw proposal")
+          click_link "Withdraw proposal"
+          expect(page).to have_content("Are you sure you want to withdraw this proposal?")
+          find(".button[aria-label='OK']").click
+          expect(page).to have_content("Item withdrawn successfully.")
+          expect(page).to have_current_path(decidim_plan.plan_path(plan.id))
+          within "span.alert.label.idea-status" do
+            expect(page).to have_content("Withdrawn")
+          end
+          expect(page).not_to have_link("Withdraw proposal")
+          expect(page).not_to have_content("ADD AUTHORS FOR PROPOSAL")
+          expect(plan.reload.state).to eq("withdrawn")
+        end
+      end
+    end
+
+    private
+
+    def decidim_plan
+      Decidim::EngineRouter.main_proxy(component)
+    end
+
+    def choose_filter(option)
+      within ".filters" do
+        choose option
+      end
+    end
+
+    def wait_a_bit
+      sleep(2)
+    end
+  end
+end