The drama tells the story of the female protagonist Ke Ying (played by Cai Wenjing), who fights against illegal forces in order to protect herself and her family, and collaborates with the delivery guy Xiao Wu (played by Liu Kai) to provide clues for the police to investigate cases. She secretly collects evidence of the crime committed by the Feng family group, goes through many difficulties, and assists the police in ultimately defeating evil with justice.
The drama tells the story of the female protagonist Ke Ying (played by Cai Wenjing), who fights against illegal forces in order to protect herself and her family, and collaborates with the delivery guy Xiao Wu (played by Liu Kai) to provide clues for the police to investigate cases. She secretly collects evidence of the crime committed by the Feng family group, goes through many difficulties, and assists the police in ultimately defeating evil with justice.