Watch Full Korean Adult Movie Swapping: My Friend’s Wife 2 (2018). This movie is based on couples doing a wife swap and becoming swingers. A man has a business that fails miserably and he gets threats from the loan shark mafia. To keep himself and his wife safe, he decides to move away from his home. He moves in with his best friend as he is a simple man with a kind heart. This best friend is unable to get his wife pregnant because of some problems. To help his best friend, this guy sleeps with his wife to get her pregnant. Finally, both of them swap wives and become swingers.