Set during the Japanese colonial period in the 1920s, the series follows the tragic and poignant romance between Kim Woo-jin, a brilliant but tormented playwright, and Yun Sim-deok, Korea's first professional soprano. As they navigate the suffocating constraints of their era and the weight of their personal burdens, they find solace and inspiration in one another, leading to a profound and inevitable conclusion. The drama explores the intersection of art, patriotism, and forbidden love. Through their correspondence and shared artistic vision, Woo-jin and Sim-deok grapple with the despair of their reality and the longing for freedom, ultimately immortalizing their love through their final, fateful decision. It is a melancholic portrayal of two souls seeking meaning in a world that offers them no place to belong.