diff --git a/app/controllers/new_user/dossiers_controller.rb b/app/controllers/new_user/dossiers_controller.rb
index 595bc2ac9..478378867 100644
--- a/app/controllers/new_user/dossiers_controller.rb
+++ b/app/controllers/new_user/dossiers_controller.rb
@@ -4,8 +4,8 @@ module NewUser
 
     helper_method :new_demarche_url
 
-    before_action :ensure_ownership!, except: [:index, :modifier, :update, :recherche]
-    before_action :ensure_ownership_or_invitation!, only: [:modifier, :update]
+    before_action :ensure_ownership!, except: [:index, :show, :modifier, :update, :recherche]
+    before_action :ensure_ownership_or_invitation!, only: [:show, :modifier, :update]
     before_action :ensure_dossier_can_be_updated, only: [:update_identite, :update]
     before_action :forbid_invite_submission!, only: [:update]
 
@@ -23,6 +23,14 @@ module NewUser
       end
     end
 
+    def show
+      if dossier.brouillon?
+        redirect_to modifier_dossier_path(dossier)
+      else
+        redirect_to users_dossier_recapitulatif_path(dossier)
+      end
+    end
+
     def attestation
       send_data(dossier.attestation.pdf.read, filename: 'attestation.pdf', type: 'application/pdf')
     end
diff --git a/config/routes.rb b/config/routes.rb
index ce2bf183c..6e230dcb8 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -267,7 +267,7 @@ Rails.application.routes.draw do
   #
 
   scope module: 'new_user' do
-    resources :dossiers, only: [:index, :update] do
+    resources :dossiers, only: [:index, :show, :update] do
       member do
         get 'identite'
         patch 'update_identite'
diff --git a/spec/controllers/new_user/dossiers_controller_spec.rb b/spec/controllers/new_user/dossiers_controller_spec.rb
index a3605c7d2..17f18cc1f 100644
--- a/spec/controllers/new_user/dossiers_controller_spec.rb
+++ b/spec/controllers/new_user/dossiers_controller_spec.rb
@@ -478,6 +478,21 @@ describe NewUser::DossiersController, type: :controller do
     end
   end
 
+  describe '#show' do
+    before { sign_in(user) }
+    subject! { get(:show, params: { id: dossier.id }) }
+
+    context 'when the dossier is a brouillon' do
+      let(:dossier) { create(:dossier, user: user) }
+      it { is_expected.to redirect_to(modifier_dossier_path(dossier)) }
+    end
+
+    context 'when the dossier has been submitted' do
+      let(:dossier) { create(:dossier, :en_construction, user: user) }
+      it { is_expected.to redirect_to(users_dossier_recapitulatif_path(dossier)) }
+    end
+  end
+
   describe '#ask_deletion' do
     before { sign_in(user) }