Shi Yang, a civil aviation captain with a sunny appearance, accidentally discovered information about his long-missing sister during a hijacking case. Gu Xiao, the SWAT captain who has been concerned about the unsolved case of missing girls for many years, met Shi Yang during this hijacking case. The two reached a consensus on cooperation. From the running-in period of mutual investigation to the sublimation of tacit understanding as partners, they dealt with hidden illegal organizations that sell human organs several times, and finally got closer to the truth. But is the truth worth it?
Purpose: There is light and darkness under the sun. We must have the courage to face the truth.