S4, E8: The Angels go undercover as hookers to find the man that beat up the daughter of a dance school owner, Amy Hawkins. Kelly and Tiffany find Freddie The Pimp who hires the girls for his stable. He tries to intimidate them but they stand up to him. Amy seems to have a lot of ready cash but can't account for her large income. Then they learn that Amy doubles as Rose--one of Freddie's girls. A coffee stand operator tells Freddie that the girls are undercover investigators and he tries to use Amy to help kill them. But Kris confronts Amy about her double life and learns that Amy is doing it to pay her father's debts. Amy agrees to cooperate and tells them where Freddie has Kelly and Tiffany locked up. Bosley and Kris raid Freddie's party and the Angels are saved.