The three happy-looking couples that have big issues with their relationships enter the Change House.

Episode 1

Hur Young-ji

The men get a chance to select a different partner to go on a date with.

The three couples finally have their first change date. They seem excited to have a date with a stranger.

The couples come back to Change House after their change dates. The atmosphere in the house gets serious.

The couples are back after their first change date. They get to see the photos of their significant others on a date.

The girls get to choose their partners. They find it hard to ask them out without their boyfriend knowing.

For the second change date, the girls choose men who they find attractive and spend the whole day together.

The night becomes deeper and hearts begin to sway. Emotions become unpredictable as the day comes to an end.

The second change date gets deeper emotionally and goes later into the night, worrying their significant others.

Finally, a couple returns late in the night after a car camping date filled with heart-fluttering moments.

The original couples go on a date that is a little awkward as they begin to open up about their change dates.

Boys’ night out and girls’ night out turn into a mess as they listen to what others say about their partners.

The men get to choose their dates for a secret date. Will they have the courage to pick who they desire?

They have one last chance to go on a date with the person they want, but not without a catch.

It's the day for the final decision. Whatever their decision may be, let it be a happy ending.

A short but impactful trip to Change Days has ended, and this is how they feel about the whole journey.

Struggling real-life couples date each other's partners to decide who to leave with: the same person they walked in with or someone new.