The Secret Affair

Oh Hye-won is a sophisticated and highly successful director of planning at the Seohan Arts Foundation. She is a woman who has sacrificed her own happiness to climb the social ladder, serving the corrupt and wealthy elite with unwavering efficiency. Her life takes an unexpected turn when she encounters Lee Sun-jae, a poor, unassuming young man who works as a delivery driver but possesses a raw, prodigious talent for the piano. As Hye-won mentors Sun-jae, their professional relationship evolves into a passionate and illicit affair that threatens to dismantle the carefully constructed life she has built. The series explores the stark contrast between the cold, materialistic world of the upper class and the genuine, artistic purity of their connection, forcing both characters to confront the consequences of their desires in a society governed by power and prestige.