Su Xing, an ordinary person who has suffered repeated setbacks in life, accidentally activated the mysterious rebirth system at the lowest point in his life. Every time you die and wake up, you can choose to go back to a certain moment in the past. As he continues to be reborn, he discovers that each reincarnation is changing the fate of those around him, and he falls into a deep struggle with himself, redemption, and bonds. The system not only gives him endless opportunities, but also intensifies competition between old enemies, family separation, and emotional tearing. Su Xing must find a way to terminate the system in the never-ending restart, solve the mystery at the core of Tiangang, and finally achieve self-reconciliation and growth.