A mysterious map holds the key to billions of dollars' worth of crude oil, and some men will stop at nothing to possess it. Pat O'Brien stars as the hard-boiled, Panama-based private eye Dan Hammer, caught in the middle of a dangerous web of murder and intrigue. Hammer is hired as a bodyguard for a shady gentleman who has already killed a man to own the man, a chart that details the hidden location of rich South American oil fields. The
