Meet Judge Ooka -- the Japanese Sherlock Holmes
Fourteen-year old Seikei dreams of being one of the legendary warriors, a samurai - but samurai are born, not made, and Seikei is a tea merchant’s son. Then a priceless ruby intended for the shogun - the military governor of Japan - is stolen by a ghost, and Seikei finds himself having to display all the courage of a samurai. He is the only person to have seen the thief, and now the famous samurai magistrate, Judge Ooka, needs Seikei’s help to solve the mystery. Soon, the two are hot on the trail of the ruby - and an unforgettable adventure.