In 3A.D., during the Eastern Jin Dynasty, parents dress a very pretty, very privileged girl like a boy so she may be educated in a local boarding school. There, she falls in love with a poor, but handsome and industrious young man.

Despite both their desires to meet a future partner, Yan and Kong develop an animosity toward one another after a troubled meeting during 'Affinity Day'. Soon after, Kong is murdered by gangsters. Two weeks later, Kong comes back in the form of a ghost to ask her to help him prevent his own murder by traveling back in time.

Cat is a professional thief turned straight after leaving her lover, Chi Lam, two years before. But her past returns to haunt her as Chi Lam is kidnapped for the ransom of security software belonging to the company Cat works for. In order to rescue him, she calls on her old friends from her orphanage days, six other feisty women, to save the day...