Demon Chang Mian has been bound and enslaved in the Painting Workshop since she was a child. Now she is the best skin painting artist. The Demon King orders the capturing of General Shouyang's fiancée Qiu Sang. In the accident Chang Mian kills Qiu Sang and decides to take her place.

A greedy police chief learns that a wealthy businesswoman has been wrongly accused of murder and strikes a deal with her – her freedom for a large sum of money. As the case progresses, a revelation that a sadistic politician and the businesswoman have a long standing relationship, the details of which will uncover the truth about the murder.