A group of ill-hearted gangsters kidnapped the 12-year-old daughter of the underworld boss, a talented little ballet dancer. She was only required to put her under house arrest for one night and could receive a ransom of 50 million US dollars.However, in a remote and lonely mansion, things gradually got out of control: the kidnappers disappeared mysteriously one after another, and fear spread quietly between them.They were horrified to find that they were trapped with this seemingly innocent little girl - and she was far from an ordinary child.