When Monk meets Monica, he couldn't keep his eyes off of her as Sharona tells him she resembles as much as Trudy. Monk was fond over how neat her garage was considering himself being the same way. After her neighbor Lawrence Grayson was killed when he saw his dog inside Waters' garage, Monk gets worried about her and wanted to sleep at her house to protect her from the killer as he believes she is innocent which is probably because he has a crush on her.
While at Waters' house at the dinner table Stottlemeyer calls and tells Monk of how dangerous Waters is and says she killed her husband and buried him under her new garage which is the reason for his absence. Waters puts down some food for him and notice that Monk hasn't been eating as she force him to eat her food but Monk pretends to eat and she notice him refusing. Sharona and Stottlemeyer arrives at her house and tells her about her husband which she began to be confused and reveals that her husband is at a private clinic in Switzerland, being treated for an extreme obsessive-compulsive disorder. Embarrassed, Stottlemeyer withdraws.
After the case is solved Monk and Waters say their goodbyes and she begins to give him a kiss before leaving. (Mr. Monk and the Other Woman)