The male protagonist Si Jingchen suffered from serious mental illness due to a fire seven years ago, and every time he had a psychological panic, she often said that period, which calmed him down a lot. And he returned to the place 7 years ago again, just to find her. Fang Jiaxin lost all her memories of the 7-year-old in the fire 7 years ago. The two met again in Nanshi No. 1 Middle School.
