Nineteen-year-old girl named Heaven discovers that the well-to-do businessman who adopted her as an infant is actually the head of Yakuza, the Japanese mafia responsible for murdering her brother. Upon leaving her family Heaven decides to become a samurai with the help of her new American friends, and grows determined to take down her father's empire. This series is based on the popular novels for young people.
The show is created by Luke McMullen from ABC Studios in association with Alloy Entertainment, and executive produce by Gossip Girl's Bob Levy, Leslie Morgenstein and Night Stalker's Frank Spotnitz. The show has received a 6-episode contract.