Wu Xie and Wang Pangzi set off on an adventure to the snowy mountains to uncover the mystery behind Zhang Qiling's origins. Along the way, they face off against the clever Zhang siblings, Zhang Haixing and Zhang Haike, and get caught up in a conspiracy unlike anything they've ever encountered.

Zhou Yuan is the head of the major crimes division of the police department. During an undercover operation to catch a drug dealer, he inadvertently crosses paths with Bai Xiao Lu. Her impulsiveness almost causes the entire sting to fail. Upon graduating from school, Lu Hao requested to be transferred to major crimes division to fulfill his aspirations to become a good police officer. However, Zho...