Satoru Fujinuma, a 29-year-old manga artist, possesses the mysterious ability "Revival," which sends him back in time to prevent tragedies. After being wrongfully accused of murder, he is sent back to 1988, 18 years earlier. There, he uncovers a connection between the murder and the kidnapping of his classmate, Kayo Hinazuki. Realizing this may be his chance to right past wrongs, Satoru sets out to stop Kayo’s death and uncover the truth behind the events of his childhood. As he races against time, he must protect those he cares about while trying to change the past.