A wealthy financier organizes a sensational theft, using mercenaries who do not know the principal. Police find one of the thieves, but cannot find who invented the robbery. The beautiful Greta (Greta Martini), using her anti-contractual method, resorts to various tricks and, after several attempts, finds out that Terry Caldwell (Denis Marty) is the likely organizer of the robbery. Between the two a dangerous game of temptation is born.