A Thai music teacher in his 60s has three sons. Aroon, the eldest, is a playboy who got a woman pregnant. Tinnakorn, the second son, is a troublemaker who neglects his studies and picks fights. Tawan, the youngest, is kind and polite despite his polio disability and follows in his father’s footsteps as a Thai music teacher. Kaekai, from a prestigious family, studies Thai music at their home. Tinnakorn secretly loves her but constantly teases her, making her dislike him even more.