Enterprising thieves tunnel underneath and up into the vault of a Lloyds Bank branch in London; when an amateur radio enthusiast intercepts their walkie-talkie chatter, they find themselves in a high-stakes cat-and-mouse game with Scotland Yard.

A mob-connected heist crew the FBI described as "the best ever" takes down a Southern California bank in 1972, getting away with millions in cash allegedly linked to President Richard Nixon.