Alison witnesses Michael and Kimberly kissing in the hospital parking lot. Alison ends up confronting him, but he warns her to mind her own business. Jane starts to become suspicious. Amanda propositions Billy at Lucy's engagement party, and Alison becomes jealous after seeing them share a kiss. Jo advises Alison to make a move on Billy but Amanda asks him to go home with her before she gets the chance to. When he returns home he assures Alison that he didn't sleep with Amanda. Amanda believes that Alison is in love with Billy and she later kisses him. Jake and Jo argue about the bike shop's taxes.