Struck by lightning while rushing home, a man dies—only to awaken in a mysterious world. At the same time, a girl, broken by life’s hardships, ends her own in a silent classroom, and also finds herself reborn in the same strange land. Bound by fate in a world shaped by sorrow and hope, they must confront their pasts, survive harsh trials, and seek meaning in a place where death brought them together—and life gives them a second chance.