When Lan Wangji's brother suddenly died, he took over the custody of his only child - and struggled with child-raising problems, especially since Xiao Yuan was weak and needed special care. He then enrolled in a special cooking class with the famous chef Wei Wuxian - whose son also happened to be in the same class with Lan Wangji's nephew - and started to learn that there was more to life than just the strict schedule that he was so used to.