Top shot Tony Long is the most prolific police marksman Britain?s ever seen. For 25 years, he operated in the Met?s elite specialist firearms units and was at the forefront of SO19?s fight against armed crime. Deployed on hundreds of dangerous operations, it was his duty to bring down terrorists, killers, and hostage takers, sometimes with lethal force - with only seconds to decide. Tony has been behind some of the UK?s most controversial police shootings...

A security van sets off for Durham prison, a disgraced Special Branch officer in the back. It never arrives. On route it is hijacked by armed men, the prisoner sprung. Suspended from duty on suspicion of aiding and abetting the audacious escape of his former boss, Detective Sergeant Matthew Ryan is locked out of the investigation. With a manhunt underway, Ryan is warned to stay away. Keen to preserve his career and prove his innocence, he backs off....