This is a story about redemption and pursuit. In the cruel background of the doomsday wasteland, the field doctor Su Lin (Shou) loved Li Yuan (Gong), the leader of the survivor base, with all his heart. However, because of the villain Bai Wei's instigation, he was misunderstood and abandoned by Li Yuan, and eventually died tragically in a mission, which became an eternal pain in Li Yuan's heart. However, Su Lin was reborn and returned to before they met. This time, he was determined to live for himself, stay away from Li Yuan, and be alone.