Masters frantically begins the search for Seth Mercer, who has been abducted at gunpoint by arms dealer Phillip Hanson. A search of one of Hanson's warehouses uncovers evidence that someone has been seriously injured, but she and Perkins find Hanson's car, they unexpectedly discover Hanson's mutilated body in the boot. Mercer soon becomes a prime suspect for murder, but with both the police and a former arch enemy on his trail, it boils down to which of them will find him first. Meanwhile, uniform attend a mass eviction of council tenants from the Aldbourne Estate, and deal with an allegation of assault when a pregnant woman claims that one of the bailiffs attacked her.