Recca and crew are deep in a spooky cave seeking out a dangerous weapon known as Tendo Jigoku, which in the wrong hands will spell disaster for the world. But it's a race against time as their nemesis - the bloodthirsty madman Mori - is seeking it as well. After getting lost in the cave, the group decides to split up. Things take a turn for the worse when Domon and Fuko find themselves in a fight to the death with two warriors who easily defeated them both once before. Can they muster up enough tough stuff to out-rough these ruffians?