A woman is murdered during the San Francisco marathon and Monk suspects her married lover. But he was running the race, and his tracking chip says he never left.
While on vacation at a resort, Benjy claims he witnessed a murder. Monk believes him, but with no body and the cleanest crime scene Monk has ever seen, it's going to be hard to convince everybody else.
Financier Robin Westlin dies in Dr. Sloan's house, but when the paramedics arrive at the scene, the body's gone. Everyone is certain the event was a figment of Mark's imagination. Dr. Sloan goes on a quest to validate his theory.
A team of Magicians Clark & Madison, breaks up when Paul Madison decides to go solo. Mark jumps to his friend Clark's aid when Madison turns up dead with Eddie Clark the main suspect.
A British ambassador is accused of murdering his lover's husband, but rather than hiding behind diplomatic immunity, his New York attorney sends for Matlock to negotiate a solution.
Hannah meets a new side of law & order as she investigates a murder and crosses paths with by-the-books prosecuting attorney Chad Norton. Meanwhile, Delores has a secret. Stars Alison Sweeney, Victor Webster and Barbara Niven.