When a deceased dog is accused of murder, Monk finds himself in the employ of his biggest fan, Marci Maven. Obsessive-compulsive meets completely obsessed.
When a realtor is shot and killed while showing a house to a couple, Monk and Natalie suspect the killer to be the victim's partner - who happens to be Stottlemeyer's girlfriend Linda Fusco.
Monk is on the trail of a man who seems to have committed the perfect crime when he murdered his wife and an intruder, and Natalie worries that Julie's new relationship is progressing too fast.
Monk, in competition with one of Dr. Kroger's other patients, gets conned into helping Kroger's son find buried treasure. The problem is that the treasure is linked to a recent bank robbery and murder.
Monk's arch-nemesis, Harold Krenshaw, catapults to fame after he falls from a tower and survives. Now Monk must figure out if he's the real Frisco Fly before someone dies.
A good Samaritan witnesses a cult style murder but the evidence doesn't add up. Mr. Monk goes undercover with the "Siblings of the Sun" to solve the crime.
When Monk's bank is robbed, he's desperate to help with the investigation; when Captain Stottlemeyer won't let him, Monk takes up an unusual position at the bank.
Natalie is frantic, to the detriment of Stottlemeyer's new car, when it appears a mad man is targeting his victims based solely on their name - Julie Teeger.