Sun Haitao, an ordinary delivery boy, was accidentally involved in a jewelry robbery while delivering food and was killed by gangsters. However, he discovered that after his death he had returned ten minutes before the incident. After dying and starting over again and again, he gradually discovered that there was a greater conspiracy hidden behind the robbery - a mysterious organization called "Clock Tower" was trying to use time paradox to control the city. Sun Haitao used the ability of time loop to collect clues, evade pursuit, unite allies, and get closer to the truth in countless reincarnations. He finally revealed the true identity of the leader of the organization and faced the most difficult choice: break the loop and save the city, or be trapped in the cage of time forever.