Su Ying - codenamed "Black Widow", her life is a silent lurking. Unlike cold and ruthless agents, she lights up a lamp for every lonely person in the dusk of a strange city. During a mission, Su Ying was accidentally involved in a decision about human nature: to hide the truth or to save an innocent child? The tenderness of heart and the coldness of duty clashed in her heart. She uses the wisdom of a spy to quietly repair broken families and bury warmth into the gaps in other people's lives. The story is not about endless chases and explosions, but about subtle protection time and time again - in the crowd, she is the wind and the light. Su Ying's spy journey is a whisper about love and redemption, using secrets to protect the tenderness of the world.
