Winter has the ability to travel through time and space for the last time. After using the ability, he will be completely wiped out from the world. He has been obsessed with retrieving the lost memory of New Year's Eve when he was sixteen, so as to travel back to that time and space. On New Year's Eve when he was 20 years old, he returned to his hometown for the New Year and met a mysterious woman Liyun. She knew about his past but disappeared out of thin air, leaving only a note. , After returning, Donglin recalled the past of his life and resisted thinking about the meaning of his own existence. At the same time, Liyun and Xia Ting, who had the power of time-stopping, were anxiously waiting for Donglin to regain his memory. They could only return to the original world by relying on Donglin's time and space ability. In the end, the two helped Donglin recover all his memories, and he also met his fateful farewell.
Purpose: Thinking about the meaning of life