After commanding a successful rescuing mission of hostages from pirates in a ship, Steve Rogers meets Nick Fury very upset since Natasha Romanoff had different objectives from his. Nick explains that he does not trust anybody but discloses the latest top-secret project from SHIELD called "Operation Insight" that will launch three aircraft carriers into space, linked by a satellite to protect the world. There is an attempt against Nick by the Winter Soldier and Nick goes to Steve's apartment and delivers a flash memory to Steve. He tells that SHIELD is compromised with infiltrated HYDRA agents; then Nick is badly wounded by three shots and goes on surgery. Secretary Alexander Pierce asks Steve why Nick was in his apartment but he refuses to tell. Soon Steve is considered a traitor and hunted down by the SHIELD agents and he teams up with Natasha and Sam "Falcon "Wilson. Now they investigate the reason why Nick was chased and they discover a lethal secret plotted by the HYDRA.