Perkins and Sim investigate when a man is robbed and assaulted after paying a visit to a prostitute. When they encounter pimp Sonny James, Meadows calls in DC Stuart Turner, a newcomer from West End Central who has been trying to nail James for several years. When Turner discovers that James' rivalry with fellow pimp Gordon Kite has been re-ignited, the team lead a manhunt for James in order to secure his safety before Kite catches up with him. Fletcher and Casper deal with a number of angry bus passengers who have a grievance with their driver. When a bus later goes missing, the pair discover the driver they dealt with earlier doesn't work for the company anymore.