“Kasem” the owner of the rice company named ‘Ruangkao’ that established for helping all Thai farmers, he has two wives: “Pimpa” the one he loves since childhood and “Duantem” another one he got by mistake. Pimpa just delivered a daughter “Buabucha”, not so long Duantem also got pregnant. Kasem immediately realized that the child was not him then he used this chance to get a divorce from Duantem. Unfortunately, a car accident happened and caused him paralyzed while Pimpa got severe injured and became insane. Buabucha luckily got helped from “Thongbai”, a disciple of “Mae Buala” a famous folk singer and then changed the title to “Boonruksa”.

22 years later, “Pitchaya” the heir of Ruangkao Company came back from study abroad and found out that his mother; Duentem was planning to shut the company down. He need to figure out any way to keep his father’s company. At the same time, he knew about the accident occurred that year and believed that Pimpa and Buabucha were still alive. He therefore tried his best searching for them even he had only the sketch. This searching led him to meet with Boonruksa and saved her life. Boonruksa, in order to requite; she promised him to help on searching his family members without knowing that she was actually the one he was looking for.