While some couples become more intimate in real life with their online partners, rumors swirl about a potential new relationship brewing between JoAnna and Chris. Brandan and Sienna attempt to reconcile their differences without having a heated argument.

Sandia's issues with Chris over his attention to Jody makes him call her insecure, but Dymond is irate that she is the only one willing to challenge the behavior. Ta'Rhonda checks in with the couples on their progress, and one couple makes a big decision.

The remaining couples partake in a group activity learning Japanese bondage. Sandia and Chris meet with a relationship expert. Aaron H. defends Dymond to the rest of the group, but then later jeopardizes everything in a tense encounter with her sister.

While Dymond and Aaron H. deal with the aftermath of her sister's visit, Chris and Millie find themselves in another heated argument. Later, Aaron J. winds up in the doghouse with Jody after a bedroom faux pas, and Millie and Gregg discover a trauma bond.

A session with Dr. Ally brings Gregg and Millie closer, but a "newlywed game" hosted by Ta'Rhonda shows that they are not always on the same page. Shay explodes when she hears a rumor about Josh from one of the girls. Jody and Aaron kiss to mixed reviews.

Shay and Josh attempt to find common ground after their big fight, but Shay wonders if Dymond is being a good friend or stirring up drama. Millie and Gregg take intimacy to the next level, while Jody and Aaron J. face hard questions with Dr. Ally.

While Jody ponders some big relationship decisions, the couples enjoy their final dates before leaving the house. Dymond and Aaron H. grow more distant from the rest of the housemates, but possibly closer to each other when Aaron H. makes a big move.

Dymond ponders Aaron H.'s proposition and discovers more information about additional female relationships in real life. The couples prepare to leave the house and decide whether they will pursue a relationship with their partner in the future.