Heiress, Imposter, Avenger

After serving three months in prison for Gu Mengyao, Gu Shengsheng is tricked into a hotel by Mengyao using her mother, where she saves drugged Li Siyan and leaves a jade pendant. Mengyao impersonates her with the pendant. Shengsheng's father scolds her, her mother dies, and she finds three suspects via hacking as her identities emerge. She later recognizes Li Siyan as her childhood friend, and the truth is revealed at the engagement banquet, punishing the villains.