Humble office worker Tetsuo Tosu’s reason for living is the peaceful life he shares with his wife Kasen and their daughter Reika. However, that life comes to an abrupt end on his 47th birthday. It all starts when Tetsuo meets up with Reika, who has recently started living on her own. Tetsuo notices bruises on her face and grows concerned when she refuses to speak about it. He decides to check things out at her new home, only to encounter her raging boyfriend, Nobuto Matori. Tetsuo manages to hide, but overhears that Nobuto has killed his previous girlfriend, and now plans to harm Reika. That is when Tetsuo makes a grave decision for the sake of his family. This ordinary dad is now being pursued by a criminal gang and has no choice but to take on the dark underbelly of society. Some flashing lights sequences or patterns may affect photosensitive viewers.