Involuntarily-retired Colonel Hyde recruits seven other dissatisfied ex-servicemen for a special project. Each of the men has a skeleton in the cupboard, is short of money, and is a service-trained expert in his field. The job is a bank robbery, and military discipline and planning are imposed by Hyde and second-in-command Race on the team, although civilian irritations do start getting in the way.
Three criminals plan to break out of prison the day before their release in order to carry out a daring jewel robbery, intending to establish the perfect alibi by returning to jail afterwards. First however they must get out, a task made more difficult by a new, stricter prison officer.
Five oddball criminals planning a bank robbery rent rooms on a cul-de-sac from an octogenarian widow under the pretext that they are classical musicians.