Dusang, who suffers from prosopagnosia, comes up to Seoul to look for his first love Saem. Three different women come across his path soon after he arrives. To him, they all appear to be Saem.
Lee Eun-saem is a South Korean actress. She is known for her roles in dramas such as The Red Sleeve, The Miracle We Met, Bad Papa, Black Dog: Being A Teacher, All of Us Are Dead. She also appeared in movies Innocent Witness, Midnight Runners, The Gangster, the Cop, the Devil, and The Fault Is Not Yours.