Watch Swapping: My Wife’s Friend (2020) an Adult Korean movie about wife swapping. Jeon and Seok-jin are a married couple but they are having trouble having children. Several years have passed but they are still unable to have children. One day, her friend Joo-hee divorces and stays come to stay at their house for some time. As Joo-hee is a fertile lady after much Seonjeong asks Joo-hee to be a surrogate mother. Joo-hee opposes this idea at first but after hearing the situation of a friend who wants to have a child, Joo-hee finally agrees. Finally, the husband seduces and has sex with her making her a mother and everyone is happy in the end.