However, when S.H.I.E.L.D. are in danger, Captain America is required to return to action. In collaboration with Natasha Romanoff / Black Widow (Scarlett Johansson), he was involved in a conspiracy that endanger his life. Especially after the emergence of the figure of a professional assassin, the Winter Soldier, who has a relationship with his past.
When crime began to unfold, Captain America and Black Widow request assistance from her new ally, Falcon. However, they must fight unexpected enemies and tough named The Winter Soldier.