A botched drugs surveillance operation leaves George Kyprianou's informant's life at risk.

An off-licence is raided, but when the police start questioning, nobody knows anything about it.

Maisie fears the start of a turf war when a drug dealer is found shot dead. Then things turn from bad to worse when D.C. Tomlin has her warrant card stolen.

While hunting a pair of muggers, the team become aware of a people smuggling ring.

Valuable cars are being nicked from a hotel car park. Meanwhile, D.S. Farrel's stepson disappears.