While Natalie attempts to surprise Monk with the ultimate 50th birthday party, a janitor and a patent lawyer are killed during the launch of the first vacuum with a self-cleaning filter.
Sharona's big payday is in jeopardy when Monk believes her uncle was murdered, rather than killed by an accidental fall, and the investigation will test everyone's tempers as Natalie and Sharona mark their territories.
A nurse's husband is murdered and a teen who works at the hospital and who also had a torrid love affair with the nurse is the prime suspect, but Mark isn't convinced that the young man is the killer.
An abusive man who, along with four other people, was a contestant on a reality show, is murdered while living in a house that is monitored 24 hours a day.
In an attempt to woo the lone holdout on the reinstatement committee, Monk accompanies the man's troublesome son and Randy's camping group - where they soon find themselves running afoul of some dangerous armored car robbers.
While investigating the death of a man found shot and burned beyond recognition, things begin to go horribly wrong for Stottlemeyer and his bride-to-be, causing her to have second thoughts.
An investigation draws Monk back to the place where he first heard about Trudy's murder - but his fate has been unfortunately sealed as he retraces his steps on that fateful day.
A videotaped clue from Trudy provides Monk with the clues he needs to solve her murder - but he has very little time to catch her killer while finding out what poisoned him.
Lily dreams of being a hotel event coordinator and is thrilled when she's given the chance to do so by helping Noah, a hotel guest, finish planning his sister Justine's wedding at a remote lodge. Stars Clark Backo, Jonathan Keltz.
When Jo realizes that her family's general store in Daisy Hills is losing money, her father Duke calls in a favor to help. Duke's help is Jo's ex-boyfriend, Blake, former Daisy Hills native. Stars Cindy Busby, Marshall Williams.