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.
Dew, a young computer programmer, takes refuge in Chiang Mai. There, she is reunited with Ton, whom she met during her aunt's funeral, and discovers that he is the love of her life. Sadly, Ton is plagued by a brain tumor and passes away prematurely.
