In a classic case of past mistakes impressing themselves on the present, albeit with surprising role reversals, a pair of sadistic murders bring together cop Tien, profiler Kuen, spoiled playboy Key and domestic violence survivor Kwang, entangling the four a puzzle of murder and history.

Ing is dumped by her long-time boyfriend when she's at the ripe old age of 32. A fortune teller tells Ing that if she doesn't find a man soon, then she'll have to wait 20 years before another one comes into her life.