Tetsuo Tosu's life is turned upside down when he suspects his daughter Reika's yakuza boyfriend Nobuto Matori of domestic violence. Tetsuo's investigation reveals a larger problem, with Reika being one of several victims. After killing Nobuto in self-defense, Tetsuo and his wife must hide the body to avoid retaliation from the yakuza, whose leader is Nobuto's father. With the yakuza now searching for them, the Tosu family must use their wits to protect Reika from further harm.