Set within the "C'est Si Bon” music hall in South Korea, movie follows the legendary music group "Twin Folio". The story starts with groups early years with the members in their 20's as they gain popularity and follows the love life of its muse.
Eun-Jin (Gang Ye-Won) has failed in love 6 times. She struggles now to find her seventh love. Hyeon-Suk (Song Sae-Byeok), who is not interested in love or marriage, is her seventh love. Considering that her seventh love is her last, she tries her best.