The renowned Insurance International Co. has created an enquiry network, headed by detective Jack Clementi, to defend itself against insurance fraud. Jack has saved the company enormous amounts of money throughout his successful investigations and his bosses are more than willing put up with his brusque manners, his disconcerting frankness, and his intolerance for any form of company bureaucracy. Yet he is a big guy with a huge heart.

George Ardisson heads up a special police unit in Athens, that are trying to stop stolen ancient artifacts from leaving Greece.

A pimp named Horny Hector operates a brothel on property coveted by Cardinal Giove. The Cardinal comes up with a plan to force Hector into selling him the land by kidnapping Helen, triggering a small gang war.

Alboino, the Lombard ruler, wants to marry the daughter of a neighboring king, but she loves another. Her father arranges the marriage to Alboino, which he believes will be beneficial to him, only to have Alboino kill him and leave Amalchi, his daughter's real love, beaten and left for dead. Amalchi recovers to lead a revolt against the murderous Alboino and reclaim his woman.