Based upon the television series the movie complies with DI Regan and also DS Carter as they came to be involved in a lethal political detraction. One of the leading participants of the federal government, Charles Baker (Ian Bannen) is about to secure a massive manage OPEC securing the globe oil market and improving Britain's position within it. Baker is the rising celebrity of government, related to a future head of state, that is very closely regulated by his urbane, manipulative American press assistant Elliot McQueen (Barry Foster). When Regan explores the strange fatality of a prostitute as a favour to one of his informants, he becomes aware that Baker and McQueen might be involved. A spate of killings comply with - which sees Regan tackle both the offenders as well as the pecking order of the Metropolitan Police as well as British safety and security services.