Charlie's relationship with Angie becomes jeopardized after he meets her son's fiancé (Virginia Williams), realizing it's not for the first time; she is his ex-girlfriend. The things get worse when she tries to hook up with him again, and she leaves her future husband when he rejects her, causing to break his relationship with Angie. Meanwhile, Alan tries to get Jake to study for his Algebra exam, but Jake has other ideas on his mind.