Then we'll go on trying, and the day we stop trying we stop living! It is one of the major oddities out of Hammer Films, a nutty slice of fantasy adventure sci-fi, resplendent with rubbery effects work, an incoherent screenplay, auto-cue hammy acting and obligatory humongous cleavage! Plot, for what it is worth, finds a potentially explosive cargo ship and passengers, piloted by an uber serious Eric Portman, become victim of a mutiny and then find themselves lost in the Sargasso Sea. But wait! There is an island offering salvation, only it's a bit of a time warp populated by despotic Spa...