Two protagonists with completely opposite directions in time and space meet.
Taking the time and space of "Shi Zhu" as the coordinate point, when Shi Shi Zhu was young, he met Yue Dan Qian, who was already an old man.
When he was young, he met the young Yue Danqian and couldn't help but fall in love with Yue Danqian.
When he was young, Shizhu met Yue Danqian in his teenage years. In the end, the intertwined timelines returned to normal, and Shizhu was at a loss.
Concept: The story of time and space paradox