From Showtime:

While Chris and an attractive woman snuggle together watching a late night movie on TV, a brown rat sporting a long tail, comes into view and sends his date scurrying from the house. In the days that follow, he becomes frantic as every feeble attempt to catch it fails to rid him of his uninvited houseguest.

Chris soon suspects there may be more than one rat to deal with when Yola introduces him to her latest romantic interest, Josh, a handsome, worldly, good-at-everything guy. She invites Josh to be her houseguest but Chris, ever protective, is sure he is leeching off her trusting nature, and her wallet. Yola believes she's found Mr. Perfect and resents Chris' interference, until she sees her beautiful apartment turning into a rat's nest.

Meanwhile, Anson hurts himself in Kung Fu class, rendering his right hand useless for at least two weeks. Annoyed that Anson would be so careless, Chris instructs Yola to find an interim keyboard player. When Chris hires Damien, a