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Stuffy bank manager Graham (Stanley Baker) knows he's gone as far as he can professionally, but aspires to something more; specifically, robbing the very bank to which he's given his life. To this end, he enlists the help of a broke aristocrat (David Warner) and his materialistic wife, Lady Britt (Ursula Andress). Graham's sells them on his plan, and sleeps with Lady Britt in the bargain, beginning a series of manipulations and double-crosses that continues right up to the heist. Wikipedia