 Ethan, racked with guilt over his one night stand with Lisa, fires her. Carrie s relationship with A.J. goes south when she has to track him down to pay back the money she loaned him. A.J., cut off from his father s money, has been dealing drugs to earn cash. Unaware of his drug dealing, Jen invites A.J. to stay with the McKayes until he can get things straightened out with his father. Quinn s relationship with Isabelle heats up, but Carrie has a way of popping up and distracting him. Despite Ryan s warnings, Nicole is only too happy to take Adrien up on his offer to join him at a business party that turns out to have some very kinky overtones. Her aroused passions send her back into a surprised Ryan s arms for a one night stand.