Ode to the Goose (2019)

Yoon-young has been harboring feelings for Song-hyun, a friend's wife. When he finds out that she is divorced, Yoon-young and Songhyun take a trip to Gunsan on a whim. They find lodging at an inn where the middle-aged owner lives with his autistic daughter who does not leave her room. The four become star crossed lovers in the city of Gunsan.