Scent of A Man(2003)

Scent of a Man is a Korean drama adapted from a bestselling novel that explores forbidden love between stepsiblings. When Hyuk-soo's widowed father and Eun-hae's dying mother decide to marry, the two young adults meet and instantly recognize a deep connection. Hyuk-soo, a morally conflicted man with a troubled past, struggles to suppress his feelings as family ties complicate their bond. The series examines whether he can maintain the boundaries of a stepbrother, or if their attraction will override familial duty. Caught between loyalty and desire, Hyuk-soo must navigate a love that society and circumstance have made impossible, all while his mother-in-law's fading health casts a shadow over their lives.