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.
Rui used to be a singer, but now works at a bar. She then meets successful idol singer Momoko, but, by accident, Rui kills Momoko and her colleagues. To create an alibi, Rui puts together an idol group.