Two mismatched cousins, Nurse Liang Shanbo and Actress Zhu Yingtai, inherit a rental home and discover a mysterious man, Ben, who's actually a gangster. When he's murdered, he whispers a code to Yingtai before dying, leading to a series of events as the cousins try to uncover the truth, while gangsters try to retrieve the code to unlock its secrets.

Doubles Cause Troubles
When a brutal murder takes place at the home of two feuding cousins, they are suddenly caught up in a deadly struggle for survival, with ruthless gangsters and skeptical detectives hot on their heels.