A former cop turned Los Angeles P.I. takes on a case of a missing diamond cutter that leads him on an adventure of love and villainy spanning of mob to the present day Jewelry District.

Chicago policeman Terry McCain is determined to put away mobster Sal DiMarco, who always gets acquitted on technicalities. While monitoring a drug sale, a shootout ensues, and one of Terry's fellow officers gets away with $3 million of Sal's money. Suspecting Terry took the cash, the mobster sends his men to kill Terry's brother, Dylan, and partner, Frankie Hawkins. Furious, Terry sets out to take his revenge by any means necessary.

Preacher Sam Stone and his new beautiful wife Jill stand by the grave of Sheriff Billy Kelly, who died trying to bring law-and-order to Emporia, Wyoming. Among the mourners are businessman George Gates, mayor Ned West and his daughter Patricia. The mayor rejects Gates' suggestion that he release gunfighter Waco from jail to clean up the town. When Patricia is attacked by a cowboy after leaving her boyfriend Scotty Moore, the mayor finally decides it is time accept the governor;s offer of amnesty for Waco. Jill Stone's first reaction, when learning that Waco has been released, is to leave town before Waco finds out that she, his former fiancée, has married the town preacher while Waco was in jail. Town boss Joe Gore is not overjoyed, either, but Ike and Pete Jenner eagerly await the chance to shoot Waco for the death of their brother. Written by Les Adams