Lee Ki-hoon, a sharp-witted homicide detective, leads a dual life between his seemingly ideal wife, Han Soo-hyun, a cellist, and his passionate affair with sultry jazz singer Choi Ga-hee. Both women, former schoolmates, are unaware of each other. His life takes a tumultuous turn when he encounters Ji Kyung-hee, accused of murdering her husband, complicating his personal and professional worlds.
