Lu Xiangwan and Meng Zhao grew up together as childhood sweethearts—until her parents suddenly brought home their rival's daughter, Lu Qianqian. After Lu Qianqian entered the Lu household, Meng Zhao gradually drifted away from Lu Xiangwan, lured by Lu Qianqian's seduction—and even mistakenly believed Lu Qianqian was his savior, falling for her instead. Meng Zhao and Lu Xiangwan had been betrothed since childhood.
