James "Bucky" Barnes has led many lives. Once he was Captain America's partner Bucky, a proud member of the Invaders, a founder of the original Young Allies. Now he is Captain America, the Sentinel of Liberty, and when an old enemy suddenly reappears, Jim must re-open the last, unsolved case of the Young Allies--to stop a menace that threatens the world! Roger Stern travels from World War II with Nick Dragotta to the modern age with Marco Santucci to tell a time-tossed epic tale of high adventue!