In post-World War II Southeast Asia, two American ex-servicemen, Larry Briggs and Mike Perry, take up a risky cargo transport operation to earn enough money to return home. Their journeys lead them to Saigon, where they intend to sell their services. En route, they meet Susan, a mysterious and determined woman who is searching for her fiancé, Major Trevor. The trio teams up to navigate the chaotic and bustling streets of Saigon, but each has their own hidden motives.

Tensions escalate as Larry's attraction towards Susan grows, creating friction between the former comrades. They delve deeper into an underworld brimming with corruption and treachery while being pursued by various threats. Their quest takes a perilous turn as they uncover secrets about Major Trevor's disappearance and Susan’s true intentions. Amidst danger and deceit, their journey tests their loyalty and resolve in ways they never expected.