Molly learns that Mike has not had a birthday party since he was nine, because he threw up and his mom said never again. Molly decides to throw him a birthday party and enlists Peggy's help. In the mean time, Samuel is dating a girl he met through an on-line dating service but his friends soon realize she is taking advantage of him. Samuel lets it slip to Mike that Molly is throwing him a party. Not wanting to spoil her fun, Mike pretends to be surprised when he arrives.