William Lee wrote, produced, directed and starred in this film, which concerns a secret agent guiding an adventurous female professor on a search for the Treasure of the Ninja.

In the middle of the 16th century, Hideyoshi, a power hungry warlord sets out to destroy the Momochi clan. He sends his war commander in search of the clan’s hidden gold only to find that two daggers are the key to the hiding place of the treasured gold. Spanning decades, the quest for the missing daggers takes Shiranui through war and ancient tradition.

Follow the infamous ninja bandit named Ishikawa Goemon (Yosuke Eguchi) in an epic story. One night while looting treasure from Nanban (Southern Barbarians), Goemon finds a mysterious box hidden inside a secret grave. A forgotten relic from the past containing untold powers.

The gang of Mystery Inc. take a trip to Japan and find themselves circling Asia and the Pacific in a treasure hunt, racing against the vengeful Black Samurai and his Ninja warriors to find the legendary Sword of Fate, an ancient blade fabled to possess extraordinary supernatural powers.