In her past life, Shen Zhiyu followed her father's orders to marry Mu Heng, but was poisoned to death by her close friend Xie Shuyin. She saw through Mu Heng's hypocrisy and calculations completely. Reborn in a single lifetime, Shen Zhiyu returned to the time before her marriage when she fell into the water. She engineered for Xie Shuyin to marry in her place, joined forces with the Yang brothers in business, intercepted the Xie family's industries step by step, and secretly laid out plans to destroy Mu Heng. Meanwhile, Huo Zhao, her childhood friend who had always loved her deeply, crossed thousands of mountains to find her, and the two were finally reunited.