While a private detective is away on vacation, his not particularly bright assistant takes it upon himself to "solve" a case that comes in. Complications ensue.

On the H.M.S. Defiant, during the French Revolutionary Wars, fair Captain Crawford is locked in a battle of wills against his cruel second-in-command Lt. Scott-Paget whose heavy-handed command style pushes the crew to mutiny.

Professor Van Helsing had been asked to help against the tyranny of skeletal creatures that are responsible for terror and death amongst the peasants in rural China. He is the only person qualified to deal with the cause of these phenomena, for the undead are controlled by the most diabolical force of all.... Count Dracula. But he is not alone- to aid him comes a mystical brotherhood of seven martial arts warriors.