more snippets and some explanations:
Assanai(Pong) is Preeyakamol's boyfriend. Preeyakamol dumped him and went abroad to marry with a white guy
Few years later, Preeyakamol come back to Thailand and leave her daugther with her mom. She gave her niece a name "Dok Soke" (Sad Flower)
Dok Soke was raised by her grandma. Preeyakamol has never come to see her daughter even once.
One day, General Sootketh found Dok Soke selling newspapers on the road. He accidentally found that she is his niece.
Dok Soke's grandma was his concubine and servant who ran away from his house since 30 years ago) Therefore, General Sootketh brings his niece back to his house but everybody in his family hate her.
When Dok Soke was young, she met Assanai, a nice and kind man. He bought her newspapers and talked to her everytime he met her on the road. Dok Soke meets Assanai again at General Sootketh's house because Assanai is her uncle-in-law's shareholder. Many years later, Preeyakamol come back to Assanai. She does everyting to get him back.
cr. CatMatdz on Youtube
conclusion is : both mother and daughter fall in love with same man.
Exact lakorn is always have this bizarre story line. I think it's their trademark to distinguish their lakorn from the competitors lakorns which sometimes stay in "safe" track with "normal" story line