Appointment With Danger | 1951
Al Goddard, special investigator for the U.S. post office, is assigned to capture two criminals suspected of murdering a postal detective. His first task is to locate Sister Augustine, an attractive young nun who was the only witness to the crime. Soon Goddard learns that the murderers' boss Earl Boettiger is planning to defraud the post office of one million dollars. But when Goddard's identity is discovered, Boettiger and his men take him and the nun prisoner.