Gents Jewel (2018)

Original title: สุภาพบุรุษมงกุฎเพชร

Hiran is a businessman. Life was going well for him, until his friend betrayed him by embezzling 10 million baht. Creditors were threatening to kill him. Because of his debt, he had to run away. But then fate brought him into hiding in a band. The villagers mistook Hiran as the only surviving descendant of Boonmee, the founder of the band who recently died. Hiran forms a bond with the band and the villagers, especially with Kaosuay who's the main singer. But things are not as easy as it seems when suddenly the real heir appears.