Song Chuwan was an unloved illegitimate daughter of the Mu family. She approached the crown prince Qi Yanzhou on her sister's behalf for revenge. She used surrogacy to seduce him, and during the relationship, she discovered that Qi Yanzhou had insomnia, and the sound of her piano could help him sleep. Qi Yanzhou fell into despair and discovered the secret of his identity. As the conspiracy emerged, the two joined hands. In the end, the fake marriage came true, the Mu family was destroyed, and she ushered in happiness. This short play is adapted from the Tomato novel "The Game", written by Shen Xingxu.
