Phai Sanae Ha(1987)

Original title: ไฟเสน่หา

Bunparet, a young and eager attorney, is working on a case where he represents Pongdanai, his half brother, who is a playboy and a womanizer with many wives, including one of Buparet’s best friends. Buparet has also pity on his half brother’s daughter who was really hurt after her father had left her and her mother.