P.C. Melvin sees a chemist being robbed, but he has powder thrown in his face and the thieves escape. D.C. Carver is conducting an obbo in the house of a lonely, amourous woman. He spots what looks like a drug exchange and pursues the car, but is told to relinquish the pursuit to the drugs squad from the Yard. W.P.C. Martella investigates a truancy case, where 14-year-old Turkish boy Omir is being looked after by his cousin ""Auntie"". D.S. Roach is pushed over in a public toilet by a man picked up by another bloke. He gets a tip-off from his transvestite snout, Roxanne, about a local barmaid running rent-boys in the area. Martella recognises the address as that of her missing Turkish boy, and she and Roach raid the flat and arrest Auntie.

Roxanne is helping Roach and Viv catch bag snatchers at a disco. They get barracaded in the ladies loo with the suspects. Lines investigates a break-in at a medium's who has lost both her crystal balls. She warns him to be careful on the stairs.