Fu Fengnan

A mysterious mathematical formula accidentally took Lin Chaoqi to a parallel world when she was 13 years old. In this strange adventure, with the previous years of accumulated experience in the Olympiad competition Lin Chaoqi with a buff suddenly found that those who had let down the time, abandoned beliefs, unfinished dreams, missed ties, and even her father's incurable disease, as she enters this alternate universe, everything can be made up for. Even those who have the worst possible starting point, there is still infinite possibilities.

This film is adapted from the real background of the search and rescue dog "Ding-Dang". It tells the story of Yang Qi, a fire fighter who retired early due to injury during an earthquake rescue, and was forced to reluctantly part with his search-and-rescue dog "Ding-Dang" who had been trained for many years. Years later, the search-and-rescue dog "Ding Dang" sneaked out of the recuperation base and became a stray dog. It spent his whole life looking for his original trainer, Yang Qi