On Halloween, Monk visits his brother Ambrose in his childhood home to await a visit from his long-absent father, but things take a strange turn when a masked trick-or-treater repeatedly tries to steal Halloween candy.
When Natalie finally catches up with the pizza guy who mistakenly left her $50 in change, she finds him dead in his car. She feels compelled to solve the murder but Monk, sick in bed, offers little help.
Jane's assigned to help the D.A.'s office and learns that she once worked there and had an affair with her boss. Kim goes after a blogger for luring impressionable teenage girls into spending thousands of dollars on clothes.
While working to keep Grayson from stopping a casino ad featuring photos of Deb, Jane's mom Elaine is arrested. And when Fred grows tired of being mothered by Stacy, he looks to find a place of his own.
When lonely young Grace finds a note from a schoolgirl looking for a friend, she excitedly writes back, setting off a chain of events that ultimately changes the lives of three people. Stars Erica Durance, Michael Rady.
Genealogist Sophie McClaren is an expert at bringing families together. When her close friend JONATHAN urgently needs to find a bone marrow donor, the case becomes personal. Stars Janel Parrish and Niall Matter.