Objective: Wife's Affair (2020)

Young couple Mingu and Eugene. Because of her poor night job, Eugene has a romance for the object. One day, Min-gu meets his younger brother, Young-jun, at a local cafe, and invites Young-jun to the house. When Eugene asks the secret to Youngjun's wife who looks younger than her age, Miyeon says she is loved every night for her husband's big things. After that day, Eugene couldn't sleep with the thought of Yeong-jun's objective, Eventually, he blatantly seduces him...​

Unfortunately the movie Objective: Wife's Affair is not yet available on HBO Max.