Brandon and Kelly recognize a hooker on a downtown street as Dylan's sister Erica. They call Brenda and learn that Erica vanished after following a boyfriend from Hawaii to Los Angeles. Brandon pays a male prostitute to lead them to Erica, and he and Kelly move her into the house. After convincing Valerie that she can be trusted alone, Erica disappears with all of the gang's valuables. David turns to a loan shark for help with his money problems. Donna discovers that David forged her name on a check. Torn apart by David's deceitful actions, she dumps him and throws him out of the apartment. Steve feels uncomfortable when Zach tricks him into participating in a father-son soccer game. Steve apologizes to Carly for overreacting, and they spend the night together. A woman whom Steve dated over the summer shows up and claims that she is pregnant with his child. Noah refuses to accept Val's apology and resume their relationship. He gets very drunk and is arrested in a bar fight. Brandon bai

Brandon is arrested for obstructing justice. Erica agrees to participate in a sting operation so that Riggs can be arrested on another charge without her testimony. Riggs gets busted for buying drugs from an undercover cop, and the police pretend to arrest Erica so that he will not suspect her involvement. Iris transfers custody of Erica over to Dylan so that she can live with her brother. A dedicated doctor impresses Kelly when she takes Erica to his hectic clinic. Kelly asks for a transfer to the clinic, where she will help with administrative duties. David moves into the office at the After Dark and accidentally starts a fire. He has lost his insurance and cannot pay for repairs, so the landlord terminates his lease. Donna takes pity on David and asks him to move back into the apartment. He takes her up on her offer, only to see her kissing Noah on the porch after a date. Valerie visits Sands and learns that Noah paid off David's debt. She lashes out at Noah for lying to her, and fo