Each couple embarks on a social test called The Experiment and are promised a chance at healing their marriages but have no idea what to expect.
Each couple meets their new spouse. Tension all around as each person brings a different level of openess insecurity and vulnerability to the process.
Now fully immersed into the experiment, the couples try to make the most of the process but the deeper they go the more their traditional values and the vows they took with their original spouses, conflict.
Things begin to heat up for the participants, as they realize they were paired with the person who can give them exactly what they need at this point in their lives. The original matrimonial lines blur even further.
It's the Final Day of the Experiment with the new spouses. Time for the participants to leave it on all on the table before going back to their original spouses.
After having the ultimate experience with their experiment significant, the participants return home to an awkward reunion with their original spouses, and all must decide if they are going to stay together or not.
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.
As the reprieve comes to an end, everyone must choose wisely as The Experiment offers them a chance to decide, once and for all, to stay with or leave their original spouses.
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.
In the aftermath of the shooting, the couples gather in shock at a local Las Vegas hospital, reeling from the events that took place as one life hangs in the balance.
A new face enters the fold amidst flashbacks and flash-forwards of the participants complicated relationships with each other. Meanwhile, the consequences of the rooftop shooting reach dire straits.
Sawyer makes a decision on his relationships with Caroline and Maggie while Diandra and Sincere transition through their grieving process. Connor makes a decision that throws his relationship with Sincere off balance, and Carson comes across some information about The Experiment that sends him deeper into his downward spiral.
Maggie is showing signs of a behavior that Sawyer doesn't know what to make of. Sincere has a new opportunity and Connor is getting closer to finding Harvey. Carson is on the brink of losing his mind, but will he find his answers to The Experiment in the abyss?
Diandra and Caroline deepen their friendship as they work together on charitable endeavors. Diandra also meets someone new, and it's electric. Connor's immersion into "the life" has netted him his big fish, Harvey Keatus. Sawyer now has legitimate backing for his new play, but The Experiment offers him information that will shake his relationship with Maggie to the core.
Connor is closing in on Harvey, but what part of himself will he have to lose when he finds him? Sincere is glowing in her professional life, but something's not right between her and Connor. Can they correct it before it's too late? Carson has found meaning in his life in a way he wasn't expecting and looks to move on, but is he truly over Maggie?