Steve Rogers a.k.a Captain America (Chris Evans) is now part of S.H.I.E.L.D — an espionage agency headquartered in Washington DC. But Rogers will need to confront some hard truths about the agency, one that will take him and fellow agent Natasha Romanoff a.k.a Black Widow (Scarlett Johansson) into the past, including Rogers' own with a familiar face in the dangerous Winter Soldier.