Barney Thomson, awkward, diffident, Glasgow barber, lives a life of desperate mediocrity and his uninteresting life is about to go from 0 to 60 in five seconds, as he enters the grotesque and comically absurd world of the serial killer.
As homicide detective Thomas Craven investigates the death of his activist daughter, he uncovers not only her secret life, but a corporate cover-up and government collusion that attracts an agent tasked with cleaning up the evidence.
A sniper on a mercenary assassination team, kills the minister of mines of the Congo. Terrier's successful kill shot forces him into hiding. Returning to the Congo years later, he becomes the target of a hit squad himself.