Sam leaps into himself as a teenager to help his high school basketball team win the championship. He also tries to help the other members of his family including his father who died from smoking, his brother who died in Viet Nam and his sister who married a wife abuser.
Sam leaps into a patient at a Mental Hospital and undergoes electroshock therapy. The treatment causes Sam to act like other people he's been. It also weakens his link to Al. Al must find a way to get his friend back to normal, and figure a way to carry out Sam's mission.