Blood Ties (Huan hun) (2009)

Many people believe when a person dies, his soul returns on the 7th night. Shun’s spirit returns to possess his 13 year old sister Qing to exact revenge on those who brutally murdered him and his beloved wife. This is a thriller set in a supernatural context, with characters caught in a web of love, betrayal, and revenge. This tale of vengeance starts with Qing, already possessed, trying to enlist the help of his ex-colleague to seek his revenge. The whole story unfolds in the course of one night, as we see how a little girl possessed by a man, hunts down his killers one by one.