On her birthday, female internet celebrity Wang Siqi received a USB drive from her father who had passed away for many years. She followed the clues and gradually discovered the secrets of the past. Her missing brother also surfaced, and she secretly protected her spy Liu YunWith the help of her, she transformed from a sweet and lovely internet celebrity to a heroic female spy. The big villain behind the scenes was actually Uncle Song, who had taken care of her for many years, and all of this had a great connection with her father.