Yotsuya Kaidan, the story of Oiwa and Tamiya Iemon, is a tale of betrayal, murder and ghostly revenge. Arguably the most famous Japanese ghost story of all time, it has been adapted for film over 30 times, and continues to be an influence on Japanese horror today.

In the fourth installment, Musashi's potentially greatest opponent Kojiro jumps in and out of the story at the oddest and most coincidental moments. As his great love Otsu has succumbed to madness. Musashi then sets off to beat the functionaries of a treacherous clan in an arranged duel. 73 against one. Boastful Kojiro watches, secure in the knowledge that only he is a worthy opponent.

A former boxer gets involved with a club hostess trying to escape the clutches of her gangster employer.