Swapping: Perfect Neighbor

Jin-goo and Joo-hee, a married couple, have been going through a period of emotional distance in their relationship. When a new couple, Hyun-jin and Yoo-jeong, move into the neighborhood and come over to introduce themselves, both couples find themselves drawn to each other's spouses. This mutual attraction leads them to cross boundaries typically respected between neighbors. Following this encounter, the relationships between the two couples become more intense and complicated.