When Shan Wanqiu was six years old, she was separated from her family in the playground while clutching half a melted popsicle. Beside the peony flower bed, a grandmother carrying candied haws on a stick shielded her from the night with blue cloth shoes, leaving behind a small silver lock with the word "wan" engraved on it. At the age of nineteen, the Jiang family's parents came to the door with a paternity test. She thought she had finally found her bloodline and returned home, but she didn't know that what she had stepped into was a carefully woven cage. In the villa lived her adopted daughter Jiang Xiaoying, who looked similar to hers. In the past three years, she had been the transparent person on the dining table, the recipient of discarded items in the cloakroom, a "distant relative" in the aristocratic university, and a pawn of the Jiang family to pave the way for Jiang Xiaoying. When the candlelight for her twenty-second birthday was extinguished, the Jiang family made a show of their cards: Let her marry the "vegetative" young master of the Gu family in the west of the city in exchange for Jiang Xiaoying's happy marriage.
Purpose: 1. Deconstructing false family ties: Taking the Jiang family's indifference and calculation towards Shan Wanqiu as the starting point, it reveals that blood is not the only bond of family ties, and criticizes the distorted family relationships that use children as tools for exchange of interests.
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2. Praise for perseverance and redemption: It depicts Shan Wanqiu's growth from forbearance and obedience to awakening resistance, and shows the tenacity of ordinary individuals to stick to their dignity and break free from restraints in desperate situations. The appearance of the Gu family and the fetters of the double lock symbolize the kind redemption given by fate.