Now Frankie has tricked the Harpers into taking her and her daughter Joanie in, she explains that Bob's parents want her declared mentally incompetent in order to get custody. Charlie wants to dump her, but Alan insists on taking them both in. Jake doesn't enjoy the 8 year old's 'romantic' attention. Charlie hates the consolation kisses and compliments, and is stunned when Frankie prefers intimacy with Alan. Charlie rightly warns him he's just falling for his 'damsel in distress', but warns her not to hurt his kid brother.
Jake plays electric guitar all day long and doesn't want to do anything else. Alan and Charlie can't figure out why. Jake refuses to discuss anything with anyone, including his grandmother and even a psychologist.
Charlie tries to seduce Alan's divorce lawyer, Laura, and her assistant. He sleeps with Laura and they decide not to tell Alan anything since it's unethical, considering that Charlie is a participant in the case.
Jake repeats something Charlie says to Judith. Then Judith refuses to let Alan take Jake for the weekend. Alan tries to talk to Judith, but encounters resistance from Judith and her friends. It's up to Charlie to set things right.
Charlie is sure he isn't ready for fatherhood after a year of trying to raise Jake, so he opts to have a vasectomy. But when the doctor performing the procedure keeps getting calls from his wife -- who's about to give birth -- Charlie starts to think about what fatherhood might entail and likes the idea, provided he still has his vital organs intact (in more ways than one).
Charlie is having some friends coming over to his house to have a gathering but Alan is not invited. Things got worse when Alan is also not invited to Judith's party even though her guests are Alan's friends.
After Jake flips off his teacher, Alan and Judith move to punish him. Charlie, meanwhile, has other plans for Jake's teacher. Chaos ensues when Jake discovers the relationship and the increasingly overbearing Miss Pasternak tells Charlie she believes God brought them together.
After Charlie reluctantly lends Evelyn his new car, he later discovers her bra in the back seat. Meanwhile, Alan is forced to compensate after Jake gets attached to Judith's rich and talented boyfriend.
Charlie is dating a self-assured woman who plays hard to get, easily dismisses him, and he finds it disarming. Rose gets Charlie to see that his new lady-friend, Sherry, is in his head because she is just like him; a self-centered, manipulative, narcissist. Charlie debates breaking it off. Alan and Jake fiercely battle wills over Jake doing his homework.
Evelyn announces she is receiving an honor from the real estate industry and that Charlie and Alan will host a party in her honor. Mayhem ensues when Berta and her sister agree to cater the event, but sibling rivalry takes center stage.