Chopin, the dog that Stuart lost custody of in his divorce, stays over. Phil then accidentally switches the dog with a look-a-like, after having a one night stand with another dog owner. Holly suspects that Eden is having an affair with their married boss, Mr. Hubner (James Morrison), and is even more convinced when she discovers that Eden is pregnant.

Holly starts to hear her biological clock ticking, so the guys help in her search for a sperm donor.