My Gun Is Quick

In a dark and gritty tale, a private detective rescues a prostitute from a brutal assault, only to discover a mysterious ring that sets off a deadly chain of events. As the woman is found murdered, the detective becomes obsessed with finding the ring, which holds the key to a long-lost treasure stolen by the Nazis during World War II. The detective's search leads him to a former American army colonel, who hires him to track down the rest of the stolen jewels. But they're not the only ones on the hunt, as a ruthless French gang will stop at nothing to get their hands on the treasure.