Love Affair (1996)

Tee often has argument with his wife Tom, who he has just recently married. Tom decides to fly to London. Tee goes to Chiang Mai for his sister's birthday; there, he meets a young and pretty girl named Jow-noi, and Piak, a young man who was adopted and supported by her father. Tee and Jow-noi fall in love; Piak backs them up even though he is himself secretly in love with Jow-noi.