Lin Xiao, a smart, calm and determined female police officer. She worked undercover for a money laundering and drug trafficking syndicate. The leader of the group is mysterious and unpredictable, but Lin Xiao is not afraid. With the trust and support of her resourceful and brave colleague Pan Yue, and the guidance of her experienced senior Qu Qiang, she moved towards the goal of exposing the crime and destroying the group, and launched a thrilling battle of wits and courage.
