As the mastermind of an unusual business, Perry Lemko has his clients pay him to harass people and he employs a gang of youths to do his dirty work.
The 17-year-old son of a British Army officer is suspected of murdering his father. Pete learns that the slightly retarded boy had good reason to be terrified of his father - but enough to kill him?
Tom Blake is a tough ex-cop who's determined to find the person responsible for the narcotics-linked murder of his brother. The squad is also investigating the case and Blake's efforts are hindering them at every turn.
A crusading teacher, Annie Crabtree, gives lectures on sex education that have become a political football war.