The story takes place in the year 3135. Ming Ye, a young man born in the universe, and his childhood playmate Xing Ye, who was also born in the universe, are training hard to return to earth.
During a space activity, they and the teenagers from Earth who came to space for the first time were involved in a collision between the space station and a comet. In a closed space that was completely isolated from adults and the Internet was cut off, the teenagers had to face various difficulties together.
Mission: Be brave to explore