Luar-Lae, with his SKA band members are about to be broke, when his band never fulfilled for success and some members ask to quit. Then The unbelievable thing happened,when Luar-Lae , Raggae, Cello and Joey lost the way and incredibly move backward to the past of fifty years ago in a neighborhood of folksong village they met Kru Fuang, the master of Thai traditional Folksong of Singh- Nuer village (Northern). And his rival is Kru Dam-Gurng, the master of Suer-Tai village (Southern). Luar-Lae and his friends admit being Kru Fuang’s new students for the annual Thai Folksong competition between Singh-Nuer village and Suer-Tai village.

With high hope to win the competition, folk song masters go teaching their odd strangers sing all kind of folksongs that are too hard for those SKA boys . Can the SKA boys fulfill his master to win this competition and back to their home as they expected?