Claire Takata has never known much about her father, who passed away ten years ago. But on the anniversary of his death, she finds a letter from her deceased father to her stepfather. Before now, Claire never had a reason to believe they even knew each other. Struggling to understand why her parents kept this surprising history hidden, Claire combs through anything that might give her information about her father . . . until she discovers that he was a member of the yakuza, a Japanese organized crime syndicate. The discovery opens a door that should have been left closed. The race to outrun...