When a modern luxury liner, The Escapade, sets sail into the unexplored jungle, the expensive guests feel they are bordering on unquenchable pleasure. But as people begin to meet sudden death, the passengers are thrust into a position where their lives are endangered by the presence of a silent murderer among them. Trapped between the insanity of a killer and the hysteria of self-preservation, society crumbles and life becomes a desperate bid for survival.