Gu Qingyu, who was born in the south, and Gu Niansheng, who was also born in the south, made an appointment. Gu Niansheng, who was born in the south, and Lin Ranxi, who was also born in the south, made an appointment to go to the north to see the falling snow. However, things did not go smoothly for the two of them...
Intention: Rush in both directions, rescue through time and space