Banks is on holiday in San Francisco and his daughter Tracy, who is in Leeds, is headed for some very deep trouble. Patrick Doyle, a former neighbour of Banks, is shot. Doyle's daughter, Erin, is to blame for the gun being in the house, and while she's in police custody, her housemate, Tracy Banks, decides to tell Erin's boyfriend. As a result she goes missing and that's not the worst of it.