In the early years of the Republic of China, the old city in the south of the Yangtze River experienced sudden changes, with power alternation and competition among forces. Criminal detective Shen Mingduo met female reporter Wei Qingying and warlord son Wu Shaoqian while investigating a bizarre murder case. The case was peeled off layer by layer, involving underground party activity networks, strange people and strange things in the city, and family grievances. With Qingshi Lane as the node, multiple clues were intertwined. Everyone has their own secrets, and in the process of tracing the truth, they expose their own weakness and tenacity, and at the same time uncover a mystery that has lasted for several years and involved many forces. As the truth gradually emerges, everyone is involved in the torrent of family and country feelings and personal destiny.
