You may watch the 1999 version here starring Tui Teerapat and Kob Suvanont:
https://www.youtube.com/playlist?list=PLQgcECe0u3Bq_PxAjmqUtDxCQcX5_MHoh
Synopsis (from Sharerice)
Deun-sip (Kob) is a modern woman in a middle class family. Her family consists of father, mother and younger brother, Daun. Her family is in the terrible situiation because Daun is using drugs. It is the main reason for the family of Lam-tarn, Deun-sip's boyfriend, to question their relationship. Lam-tarn's family is well-known in high society so his mother doesn't want him to pick the girl who has a bad background family like Deun-sip. Yupra, Deun-sip's closed friend, doesn't want to see her friend being depressed so she asks Deun-sip to take a trip to the southern part of Thailand together. In this trip, Deun-sip meets Tiang-wan (Tui Teerapath) and his mother. He looks very weird to everybody and always stay away from the rest of the group. Tiang-wan is a man who used to use drugs for such a long time. Right now, he stops using them but still needs to find the confidence in his life. When Deun-sip finds out, she is very happy. She wants him to help her brother. Tiang-wan agrees because he falls in love with Deun-sip while Duen-sip's still sad because of her boyfriend.
Tiang-wan tries everything to help her brother. He brings Daun to the place where he was when he tried to stop using drugs. But the real difficult reason is from Deun-sip's father. He is a very strict person and everytime he is mad at his son, he will either yell at him or beat him up. However, when Daun is needing drugs so badly that he's about to die, his father is the one who offers to go to buy drugs for him. He even cries for the first time in Daun's life. After seeing his father's suffering, Daun now understands how much his father and mother love him. He finally agrees that he will try to stop using drugs even if it will be a lot of pains. As for Deun-sip, after she finds out that her boyfriend has another woman whose his mother find for him, she starts realizing that their love relationship is impossible. She later forgets about him, just spending her time to cure her brother from the terrible mistake. And she starts to build a good relationship with Tiang-wan, the man who uses Deun-sip as a destination in his life. The End