The Bill's infamous corrupt copper Don Beech (Billy Murray) is back as he returns home to London to mastermind his most audacious crime to date: the robbery of a safe deposit box centre in London. With the help of Frankie, his partner-in-crime and lover, and an assorted gang of small-time crooks assembled by his trusty old friend Tommy, Beech brings central London to a halt with bomb scare tactics, pulling off the theft of a lifetime. But the course of crime never runs smooth, and Beech's worst nightmare is about to begin.