In 1983, members of an armed gang break into the maximum security Brink’s-Mat depot near London’s Heathrow Airport and escape with £26m in gold. As the pressure mounts, Metropolitan Police chiefs turn to a wily, undercover detective with a reputation for being lucky. Ian Brown is given the job of cracking one of the most high-profile cases in Britain’s criminal history. But first, he must get on the trail that will lead to the missing gold.