Gabe, an ordinary man who works as an emergency call handler for the Scottish Ambulance Service in Glasgow. One day he receives a desperate call from a woman who seems to know him.

When Jo's husband, undercover officer Ryan, is tragically murdered, her world falls apart. With daughter Melly and stepson Hal under Jo's care, she tries to persevere through her heartache and uncover the truth behind Ryan's death.

Luke Evans stars in this thrilling drama about a group of criminals who became the most wanted men in Britain. They got lucky - and that bit of luck would change their lives forever.