It's probably because too much love happens unexpectedly, so it can't withstand the time. Gu Er was young when he met love. There was no precipitation of years, no baptism of time, but only full of enthusiasm and green seriousness. Unlike Gu Er, Qi Nan is a product of society. He built a high fortress to guard the remaining throbbing. When seventeen-year-old Gu Er meets 23-year-old Qi Nan, who will win? Who lost to whom?