Nightingale Wong is a super heroine who looses her memory when her triad boss father is murdered. She is taken in by a kindly prostitute, and eventually takes revenge.Nightingale Wong is a super heroine who looses her memory when her triad boss father is murdered. She is taken in by a kindly prostitute, and eventually takes revenge.Nightingale Wong is a super heroine who looses her memory when her triad boss father is murdered. She is taken in by a kindly prostitute, and eventually takes revenge.