The beautiful goddess thief Cat (Shu Qi) sneaked into a private ball to steal, and coincidentally met the handsome big thief Zi Yang (Chapman To). The two teamed up to sneak into the swimming pool and stole an expensive ruby. They also developed a romantic relationship, but ended up breaking up in the end. Three years later, Cat works for a high-tech company, but deep down, she still can't forget the romance she had with Zi Yang. During a gathering with her good friend Ba Zha (Carmen Lee), she unexpectedly received a message from the Russians about Zi Yang's plea...