Three couples, who are thinking about breaking up, travel to Jeju island to contemplate their relationships and feel hearts flutter once again. They exchange partners and go on dates. In a week, when the trip is over, they might find the flutter they longed. But will be the person next to him or her be the same person before the trip? Change Days is a romantic dating reality show with a spoon of bittersweet in genuine relationships. (Source: OnDemandKorea)