Something is rotten in S.H.I.E.L.D. and Nick Fury knows it. But the true gravity of the situation is still unknown to him. Viper (formerly known as Madame Hydra) has taken control of the helicarrier with the aid of the Silver Samurai, and hypnotized all of the agents aboard to obey only her orders.In an attempt to find out why S.H.I.E.L.D. is so desperate to get their hands on Nancy Rushman, who just might be Natasha Romanoff, the Black Widow, she and Spider-Man attempt to infiltrate the carrier along with Fury to learn the truth.