The sun is dying out, a group of brave astronauts set out to find a new home for the entire human race and the planet.

In the summer of 1993, timid and shy Zhou Xiao Zhi meets her table partner. Sitting in the classroom’s infamous back row is troublemaker Lin Yi. They go through junior high, high school, and college years together. Lin Yi said to Zhou Xiaozhi: "One day, I’ll take you to a place that only belongs to us." Fast forward ten years...

Humans built huge engines on the surface of the earth to find a new home. But the road to the universe is perilous. In order to save earth, young people once again have to step forward to start a race against time for life and death.