Night Blues (1966)
Singers Han Sang-soo (Choi Moo-ryong) and Cha Yoo-mi (Lee Bin-hwa) are called "Wonang-sae duo" and enjoy the highest popularity. However, unlike Yumi, who loves Sang-soo deeply, Sang-soo considers her relationship with Yumi to be a friendship and marries her sister, Kyung-hee (Tae-reality), a pianis