Kevin’s fiancée arrives in town, surprising the O’Briens. Meanwhile, Abby gets tangled in a fraud investigation; and Trace receives bad news about the water-house property he covets.

Shawn and Gus want to be put on Lassiter’s burglary case, but a sleep-deprived Chief Vick orders them to find her a nanny instead. Unfortunately, at least from Lassiter’s view,…