After the suicide of her husband, down on her luck "Denning" (Carole Lombard) finds herself reduced to singing in a remote club where she espies a chance to escape the drudgery by marrying the "King of the River" - "Prin" (Charles Laughton). He's an outwardly charming fellow, but when she gets to his converted boat many days into the Malay jungle, she discovers he's a bit of a sadistic brute who rules his lucrative rubber planation ruthlessly. Her arrival sets the cat amongst the pigeons and sows a bit of dissent amongst his team causing temperatures to rise and tempers to flare - and that's be...