Shiro is the top hitman for the Yamada Family, one of the most influential traffickers in Japan. She does her job without question until one day she encounter's someone that makes her begin to remember her life before her nearly deadly accident. As her memories unlock, Shiro begins to realize that the family that grew to know and love may not be exactly what they claim to be. Will she have destroy the family she worked so hard for as more secrets are revealed through her recovered memories?