Namie's back in trouble, after getting snatched by an evil gang in search of the treasure. Kirimaru sets out to rescue his sweetheart and falls in with a band of pirates also hunting the hidden stash.
When a young woman is named as the prime suspect in a murder, her girlfriend and her girlfriend's boyfriend set out to prove her innocence. Their investigation leads them to an isolated, creepy house in the middle of nowhere, where sinister goings-on abound.
“Dokuro sen” (The Skull Coin) is the first film adaptation of the popular novel by Kikuo Sumita. The story evolves around the seven cursed coins (the Skull Coin) that are supposed to reveal the secrets of the hidden Tokugawa treasure.