Taylor reveals that she is the younger sister of Peter's late wife Beth. She hangs out with Peter while Amanda is away on a business trip, and helps him pick out a ring for her. Samantha gives Billy the brush-off after he laughs about Jake and Alison's problems. She begins dating Craig. Michael learns that Megan is a prostitute. Kimberly is diagnosed with an inoperable brain tumor. Michael vows that he will take care of Megan. After Michael leaves Megan's house, Kimberly arrives to discuss their ""arrangement."" Jake confronts Jane and emphasizes that their relationship is over. She realizes that she was taking her anger toward Richard out on him. Matt gives Dan the credit for his improvement at school.