Why I Want To Know You Better - S1.E4

The couples from Season 3 - Seo Dong-jin, Song Da-hye, Choi Chang-jin, and Lee Yu-jung - visit the Jeju Island House. When the night is complete with the participants from all the seasons, they watch their famous scenes from the previous seasons together. Some enjoy the thrill of the surprise event, and some burst into tears. And they talk about how their lives have changed after EXchange. Then they are told to send their first Heart-to-Heart Text to the person they want to know better during the trip. Who do they want to know better and who will be receiving texts from whom?