During a routine school locker search for stolen money, the Heelers find a foil of heroin in a fourteen year old girl's locker. She says she was given it at a party and PJ immediately concludes it is a free sample, handed out by someone determined to expand their drug business in Mt. Thomas. Maggie is particularly concerned because of her brother Robbie's previous addiction, but is determined to believe that he is still clean in spite of his admission that he did ""borrow"" Dash's CD player. When Maggie demands it back, he first says he has lent it to his girlfriend, Anise, and then admits that she pawned it, probably to pay for drugs. Maggie is convinced Anise is a bad influence on him, and urges him to break off with her. Then Maggie finds Anise shooting up in her living room, and promptly arrests her, dragging her down to the station. PJ, however, is determined to catch suppliers, not just users, and does a deal with Anise; in return for not being charged, she is to lead them straig