It has been a month Chang's wife Ling Yue has been missing. With no reasons one fine day she went to work as usual and then never returns. No one knows where she went or what had happened to her. Chang could not figure out why she disappears out of the sudden. She left no message of whatever kind or clues. One day a man named Tong shows up and claims to be Ling Yues lover. Apparently Tong is looking for Ling Yue too. In a turn of event both men formed an uneasy alliance in order to find Ling Yue.