When Andy Tanaka finds an old wooden chest in a storage shed on his family's flower farm, he can't wait to share his discovery with his best friend, Leigh Becker.

Inside the dusty lacquered chest are a pair of swords, some Japanese clothing, and a mysterious scroll, which could provide links to his samurai ancestor. They find someone to translate the scroll and then research the significance of the other items, intent on ensuring the legacy isn't forgotten.

In the process, they learn not only about samurai history, but also some surprising truths about themselves.