Dark pasts and twisted secrets come to light as each couple finally makes the choice whether to stay together or leave their original spouses.

After the dramatic reveal of their choices to stay or leave, the participants of The Experiment attempt to process the new lives they now face. But The Experiment isn't done with them just yet.

Each participant seriously considers their options when The Experiment offers them a 3-day reprieve, but they only have 24 hours to decide.

When The Experiment drops off the individuals taking advantage of the 3-day reprieve in an undisclosed location, they soon rediscover the reasons they fell in love and are forced to confront the ugly truths tearing them apart.

Having made their final decisions, the participants begin to move on with their lives only to be brought back into The Experiment by a common dark force that connects them all in a mysterious way.