A former San Francisco police detective suffering from an extreme case of obsessive-compulsive disorder is called in to investigate an apparent assassination attempt of a mayoral candidate in which one of his bodyguards is killed.
When a woman drives off the road to her death, her body is mysteriously found three mornings later by a psychic known for fudging the truth. Monk must discover if she's telling the truth this time, or else let a murderer go free.
A judge is murdered while placing a 911 call, but before she dies she names her attacker - notorious criminal Dale Biederbeck. The problem is, "Dale the Whale" is over 800 pounds and hasn't left his bed in years.
A police officer and friend of Stottlemeyer is framed for a crime he didn't commit involving a ferris wheel. Meanwhile Monk tries to convince Stottlemeyer to get him reinstated.
After being arrested for breaking into a house, Monk is committed to an asylum. While there, he becomes convinced that the chief psychiatrist committed a murder several years earlier.
A woman is murdered during the San Francisco marathon and Monk suspects her married lover. But he was also running in 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.
Renowned philanthropist Henry Rutherford is killed when a moderate earthquake rocks the city and sends a display case falling on top of him. But when Monk examines the scene, he finds clues that suggest foul play.
