A blind masseur visits a samurai to request the return of a loan. The samurai kills him in anger, then has his servant dump the body in the Kasane swamp. However, the ghost of the masseur returns to haunt the samurai, who kills his wife by mistake and then goes to the swamp and drowns himself. 20 years later, the masseur's daughter unknowingly falls in love with the samurai's son who has been brought up to be a servant. After she is horribly disfigured in an accident, he plots to run away with another woman, but the path of their escape lies by the Kasane swamp...