When Bruce Banner visits his lawyer cousin Jennifer Walters, he confides in her the events that lead him to becoming the Hulk, and she tells him about her client who is being framed for murder. When Jennifer is shot by mobsters, Bruce has no choice but to give her a blood transfusion in order to save her life. When the police arrive, Bruce leaves as soon as they start questioning him while Jen is rushed to the hospital. When she awakes she feels rather strange. More goons disguised as doctors attempt to kidnap her when suddenly she transforms into She-hulk, wreaks a little havoc, and sends the thugs running. When she returns home she realizes the blood transfusion was the source of her new found powers.