When a bank is stormed by a masked gunman, 19-year-old Nixon Mori winds up being held captive along the other citizens and staff members. Quickly, the robbery turns violent and the criminal tries to use Nixon as an important hostage. When he hesitates with helping the man, he gets shot, but instead of dying, he wakes up moments before the robbery, confused and flabbergasted. His time might be unlimited, as far as he knows, but will his mental strength hold up?