Separated for the first time, three married couples set their vows aside and commit to dating younger partners; marriages will need to survive two houses full of temptation.

Husbands and wives continue to test the waters with the singles while one couple goes on a date with their prospective choice; tempers flare as some singles develop feelings.

With the dating phase over, couples must choose which young single they want to be with; boundaries are tested, and the question of what is happening in the other house arises.

Couples are reunited, but not for long, as some consider ending the challenge; husbands and wives meet their spouse's match, but no one is ready for what they're about to learn.

Couples are put to the test as they go on a double date with their spouses and their choices; the question looms as to whether everyone will be on their best behavior or if jealousy and past marital problems will come to a head.

Emotions run high when the newly formed couples move in together; a decision takes everyone by surprise; new information arises and makes the future more complicated.

The spouses have one more chance to connect with their young singles on a final date; each couple faces the crucial decision of choosing to remain in their marriages or opt for divorce.