A young woman in danger is pursued by her vile master. Conan, whose family has just been wiped out by this same master, puts an end to the beauty's pursuer, and saves her with a blow of his sword. Bound by fate, the couple decide to hit the road together. Their journey takes them to an island where they discover strange ruins inhabited by dark magic. Their paradise-like refuge soon turns into a suffocating nightmare where shadows lurk. Who knows the extent of the dangers that lie there? They will quickly learn that on an island, the biggest threat does not always come from the outside...