An unexplained fire, an unidentified female corpse, and an extortion letter of unknown origin drag the innocent hotel owner Dong Hongliang's peaceful life into an endless abyss. The involvement of criminal police officer Ye Wentao leads to another unresolved old case. What is the truth behind the scene, and can the killing come to an end?
After completing his training, an elite young assassin embarks on his first mission and is quickly ensnared in an intricate plot laid by powerful people pulling strings from the shadows. Upon failing to complete the assignment, he is forced to go on the run—from the government and rival assassin groups alike—as he seeks to unmask the players behind the conspiracy.