One man must learn the meaning of courage across four lifetimes centuries apart.

Detective Superintendent Tony Clark is an ambitious member of the Complaints Investigation Bureau, an internal organisation that investigates claims of corruption inside the police in England and Wales. Along the way Clark overcomes strong influence from his superiors and problems in his private life, most notably the break-up of his marriage following an affair with WPC Jenny Dean.

A reporter named Mullen 'stumbles' onto a story linking a prominent Member of Parliament to a KGB agent and a near-nuclear disaster involving a teenage runaway and a U.S. Air Force base. Has there been a Government cover-up? Mullen teams up with Vernon Bayliss, an old hack, and Nina Beckam, the MP's assistant, to find out the truth.

Two underprivileged Glaswegian youngsters are caught up in sectarian gang warfare after discovering crates stuffed with banknotes in the basement they use for a clubhouse.