The sun is about to be destroyed, and humans have built huge thrusters on the surface of the earth to find a new home. However, the road to the universe is full of dangers. In order to save the earth, young people from the wandering earth era stepped forward for the third time and started a life-and-death battle against time.

The lives of a college student and a video game designer are kept being reset after an explosion on a bus. During each reset, they have to work together to find out what the reason for the explosion is. Will these two be able to save themselves and their fellow passengers? Will they be able to close the time-loop?