Sledgehammer is the code name for the operation of an elite OSS unit behind German lines during World War II. Five experts in guerrilla warfare are concealed under identities as a crusading journalist, a Hollywood stuntman, a professor of psychology, a money man for a major casino, and a billionaire bachelor. Their mission is clear. Their training has prepared them for anything. But when the journalist is murdered, his four friends change the plan to one single purpose: get revenge.
