
Ex-couples who keep their past relationship a secret, live together to look for love, whether it’s to rekindle what they had with their ex or to exchange what they had with someone new. Heart flutters, jealousy, the mixed emotions of falling in love with someone new or perhaps falling for the ex again. Will the singles find love while living with their ex?

S4 E22 • 1/28/2026
EXchange 4 will unleash the hidden charms of residents that couldn’t be seen anywhere else! Although this season of EXchange is over, for the hardcore fans who haven't yet moved on from the show and to satisfy fans’ and viewers’ curiosity, the behind-the-scenes of the exciting journey from Seoul to Kamakura, Japan, will be revealed!
Featured Cast