The Bill: The Square Apple

PC Polly Page returns to Sun Hill and finds herself assigned to the CSU department, where she spends her first day with the manipulative and increasingly unpleasant PC Cathy Bradford, whose abrasive personality contrasts sharply with her own good nature. PC Gary Best goes undercover in a bid to nab drug-dealers plying their trade at a local school, and PC Jim Carver is assigned to look after a woman whose daughter has been killed, while Acting DI Sam Nixon is furious to learn her 15-year-old daughter Abi doesn't want any charges brought against Sergeant Matt Boyden