Like the other novels, the story is narrated by Natalie Teeger, Monk's assistant.

Natalie Teeger is working as a police officer in New Jersey and her daughter Julie takes her place as Adrian Monk's temporary assistant.

Ambrose Monk is about to marry his girlfriend and assistant Yuki Nakamara.

Meanwhile, Adrian investigates a series of apparent accidental deaths and suicides, but he suspects they were all murders.

Adrian Monk is then assigned to put his private life in order and find out the truth behind the series of murders and Dale's escape.