Harvey becomes attracted to a fellow "Deadhead," a mysterious woman who is the target of a murderous stalker; Joe is promoted to lieutenant, but discovers that his new duties mostly involve paperwork; Nick injures his leg and makes life difficult for Nash and Cassidy, who are trying to take care of him.

A robbery at the Fillmore during a concert by Phil Lesh prompts Nash to investigate a soccer coach and his daughter, a stolen motorcycle and a record producer.