A big heist at the busy dockside market in the old capital city of Ayuthya is executed to perfection. The gang gets away clean, but later everything turns sour when they meet to split the money. Lamai, the brains behind the heist, has double-crossed the leader of the gang, Kao, and tipped off the police. Kao escapes the police ambush with the other gang members. Then Lamai discovers to his shock that the money has already been switched. How? Who pulled the switch? The conspirators all suspect each other. Then one gang member is killed, causing another to surrender to the police for his safety. Fearing for his life, he informs on the other gang members. The action heat up. The police inspector captures six of the gang, but the whereabouts of the money remains a complete mystery until the inspector learns about the connection between Lamai and a district chief, who financed the heist in the first place. Could the heist have been an inside job?