When the baby of a prominent family is kidnapped for ransom, Sam Tyler is shocked to discover that his own father, Vic Tyler, may be involved. Sam's discovery leads him to face some deep dark secrets about his childhood.

When Sam goes undercover as a gang member, he has to reveal a dark side in order to keep his cover. While undercover, Sam is pushed to the limit when he is ordered to bind and shoot a woman.

When Sam Tyler receives a phone call that presents him with three tasks he must perform so he can return to his life in the future, he must weigh his alternatives and decide whether to stay in 1973 or go home.