The experimental couples embark on an overnight getaway and are asked to participate in an intimacy exercise that helps many of them open up, but causes tears for others.

Now that the experiment is almost half way through, the experts visit all of the experimental couples in order to check in and deliver some surprising news.

The experiment is coming to a close but before the couples are sent home, they're faced with their biggest challenge yet--meeting their experimental spouses' real spouse. Not everyone is happy by what they learn and some begin to have serious regrets

The couples have reunited and are now faced with the decision of a lifetime - do they want to recommit to their marriage, or is it time to part ways for good?