A baleful limping man walks through Prague. He is Asmodeus (Juraj Herz), the fiend of lustfulness, entertaining himself by putting together by magic couples of lovers.
Anthony Steffen, as a young gunman who works as a circus performer, witnesses the killing of some outlaws, carried out by their leader and is credited with the deed.
A group of Northern vigilantes, roaming the post Civil War south, attack and kill the fiancee of war veteran Brian, who is rescued by his friend, Daniel.
Forced behind British lines by engine problems, the Red Baron camouflages his plane, swaps uniforms with a dead soldier, and, posing as a Belgian, makes his way to a hospital.