Based on a true story. The male protagonist was a British meteorologist, but the discipline was not recognized at the time. And he went to great lengths to find investment everywhere, the purpose of which was to take a hot air balloon to the sky to study the weather. The heroine is a hot air balloon expert who once lifted off with her ex-husband, but after her ex-husband's death, she has been spending time in decadence. Eventually, the two team up to embark on a new hot air balloon journey, which goes through all kinds of difficulties, both on the ground and in the air. Fortunately, both of them survived, and they also obtained key star data, which laid a certain foundation for people to study meteorology later......
