remake of the 1976 award winning film. When tycoon Inugami Sahei passes away, he unexpectedly leaves the family fortune to outsider Tamayo on the condition that she marry one of the Inugami grandsons - Sukekiyo, Suketake, or Suketomo - pitting blood against blood. Soon afterwards, members of the family begin to show up dead, one by one. Detective Kindaichi Kosuke is called in to investigate the murders, and the truth is slowly revealed as he happens upon years of hidden skeletons and a shocking family secret.

Overview from themoviedb.org