Captain America with Nick Fury and SHIELD are searching for the SAC Aerial Command Center hijacked by Hydra….
Meanwhile, aboard that plane, Baron Strucker is trying to persuade General Sam Sawyer to reveal the codes needed to activate the nuclear weapons aboard. Sawyer suffers a heart attack while trying to sabotage the plane and only immediate medical attention saves his life. Sawyer manages secretly to shut off the anti-detection unit, allowing SHIELD to discover the plane’s location—Hydra Island.
Cap and the Howling Commandos suit up for the mission. Cap enters the island via jet pack, takes out LMD guards and confronts Strucker as he is about inject Sawyer with a deadly truth serum. Defeated, Strucker sounds the alarm. Cap hides Sawyer in a vent and joins SHIELD and the Howlers in battle with the agents of evil. Strucker is defeated and the General rescued but Strucker is revealed to be a robot double housing a bomb. Sawyer throws himself on the bomb, taking the brunt of the blast but saving his comrades, and he dies in Nick Fury’s arms. Hydra Island sinks beneath the waves as the heroes make their escape by submarine.
Epilogue: A hero’s funeral for General Sam Sawyer.