Oh Geun Tae is a country boy with a booming baritone who is discovered by aspiring singer-songwriter Lee Jang Hui and thrust into the bustling world of Seoul’s iconic folk music café—C’est Si Bon. Unwittingly, he becomes the third member of the yet-to-debut “C’est Si Bon Trio” and the begrudging buffer between two rival musicians—the vocal genius, Song Chang Shik, and the heartthrob, Yoon Hyung Ju. Amidst the smoke and chatter of