When she was a child, Shi Yu was separated from her "Brother Yan" Lu Jin due to changes in the Lu family, and his promise of "definitely coming back" became her obsession. Many years later, she made a living as an anonymous painter "Green Pear", but was squeezed by her original family (parents, sister Shi Qian). In order to raise the surgery expenses of her benefactor Chen Jing, she was forced to maintain an engagement with Song Ziyan, who looked exactly like "Brother Yan", as a spiritual substitute. By chance, she met Lu Jin, whose pseudonym was "A Jin". He hinted at his identity through childhood details (little puffs, sour soup noodles). She was always suspicious because the scars had been removed. After Chen Jing's condition worsened, Lu Jin paid the surgery fee, invited experts, confessed his identity, and revealed that the Lu family's misfortune was related to the Song and Shi families.
