Hackett's snout Collars is murdered. Inquiries lead to the release of Swain and Lewis from Parkhurst. Target criminal Ruby Daniels' daughter Sam is kidnapped and the abductors want £300,000 in cash. Hackett believes Daniels is connected to the pair.

Millett Construction are bidding for the M58 contract. Civil servant John McCorquadale is caught in a honey trap but then killed. Hecht buys Millett and Hackett tries to find the money.

A courier arriving from Frankfurt is mugged. He has on him a sample case with pure gold moldings. Hackett believes Billy Jarvis is smuggling gold and using his porn empire has a front.