Dew, a young computer programmer, takes refuge in Chiang Mai after the murder of her best friend and roommate Ked. 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. On the day she returns home from his funeral, she discovers a letter, written by her late husband, Ton...