Inmates at a women's prison form a choir. Four years later, the prison choir performs in the national women's choir contest. Joon-myeon Park, Kyeong-min Mun, Da-hee Lee, Yunjin Kim, Mun-hee Na, Young-nam Jang, Ye-won Kang, Kang Ye-won, Mun Kyeong-min, Park Joon-myeon, Lee Da-hee, Na Mun-hee, Kim Yunjin, Jang Young-nam Added on Netflix 2023-01-10. Youtube Trailer