This story takes place during the end of the Qing dynasty and centers around princess Yunxiang and actor Wen Liangyu's love story. Separated the night they'd planned to elope, Yunxiang's rescued by an enemy of the imperial family, Fang Tianyu. Tianyu falls for Yunxiang and frequently comes between Yunxiang and Liangyu, going as far as plotting to kill Liangyu. Yunxiang thinks Liangyu has perished and tries to kill Tianyu for revenge, but ends up on death row. Wealthy official Shen Shihao also loves Yunxiang and saves her, at which time Yunxiang discovers she's pregnant with Liangyu's child. She marries Shihao in gratitude. Eighteen years later, Liangyu returns as Beijing's most prominent mob ringleader. Unbeknownst to him, his son with Yunxiang, Shen Zikang, has grown up and become a police captain dead set on capturing Liangyu. Further complicating things, Zikang falls in love with Tianyu's daughter Yuyan, but she loves Liangyu.
Yu Zheng is Vice President and Chief Data Scientist at JD Digits, where he is also President of the Urban Computing Business Unit and Director of JD Intelligent City Research. He is Chair Professor at Shanghai Jiao Tong University and Adjunct Professor at Hong Kong University of Science and Technology. He is the coeditor of Computing with Spatial Trajectories and Editor-in-Chief of ACM Transactions on Intelligent Systems and Technology.