Monk's biggest fan, Marci maven, who's a nutty and intense as ever, is at home redesigning her Monk web site. Meanwhile, across the street, John Ringel returns home from a job and discovers his wife mauled to death by a small animal. Suspecting Marci's vicious dog, Otto, Ringel calls the police, who arrive at Marci's house to question her. But Marci insists it couldn't have been Otto. Otto is dead, and she shows them the dog's grave to prove it.
Marci wants Monk's help, but he refuses to talk to her, so Marci takes advantage of a police “bachelor auction” in which Monk is reluctantly participating. Marci attends the auction and gets her many by outbidding Natalie for Monk's services. With the money going to charity, Monk has no choice but to honor the results...