At the committment ceremony, Jess finally comes clean about her and Dan and asks the experts to allow her to come back into the experiment with Dan. After the committment ceremony, the couples swap partners for a "date." Finally, the couples have a final date. Will Ning and Mark finally get it on?

Jess and Dan manage to deflect suspicion about their relationship. Jess sabotages Ning and Mark's relationship to throw attention away from her. At the dinner party, Mike confronts Jess about the allegations about Mark. Jess and Dan decide to come clean and say leave at the committment ceremony and ask the experts if they can re-enter as a couple. Martha stirs the pot like aways.

Susie and Billy and Cyrell and Nic leave the experiment and Jess says stay, forcing Mick to stay another week. Jess and Dan meet for a secret date. Heidi and Mike fight over him being inconsiderate.The couples meet with families and friends.

Billy and Mick both have zero f*cks to give, while Jess is laying it on ridiculously thick so she can stay another week to get to know Dan. Billy sees Susie's father and meets her friends and learns that everyone allows her to be a brat. Nic takes Ivan's advice and leaves Cyrell's house, and Cyrell shows up to the dinner party with no ring. At the dinner party, Cyrell reveals that Jess told her she wanted to f*ck Dan. Jess has secret meetings with everyone and is called out by Cyrell.

Jess tried to convince the group that she's staying another week because of Mick, and not Dan. Tamara wonders why she and Dan aren't making more progress. Billy finally puts his foot down and says leave, only to have Susie drag him through another week. Then we move on to home visits with the brides. Cyrell throws Nic in the path of Hurricane Ivan and Jess forces Mick to apologize for her sister.

Mick insults Jess's family, and Jess sets her sights on Dan at the dinner party. Heidi finds another reason why she and Mike won't make it. Cyrell and Nic and moving back in together after a successful home visit. Jules and Cam are as in love and happy as always. And for some reason, Susie and Billy are still together.

Newlyweds Billy and Susie and Tamara and Dan move in to their apartment. At the committment ceremony, Mel and Dino both call it quits. Mick says leave and Jess says stay and Nic says leave and Cyrell says stay, so they are both in for another week. John, the expert, tells off Susie for belittling Billy. Next we have home stays, where the couples go to the see their male partners' homes. Billy and Susie reach a breaking point when he tells her to leave his apartment.

New copies Tamara and Dan and Billie and Susie are on their honeymoons. Cyrell comes for Martha after Martha asks Nick if he flirted with Jess at the last dinner party. At the dinner party, Melissa reveals that Dino recorded a conversation she had with her sister, Jess tells Nick she has feelings for him and Nick puts her off and finally Jess sights her sights on Dan, being completely obvious about it.

It's the most dramatic committment cermony, with Ines and Sam's shenanigans being exposed (partially). All the copies stay except for Ines and Bronson and Sam and Elizabeth. Then we are introduced to two new couples, Tamara and Dan, and Susie and Billy. We learn Susie's daughter's name is Baby, and Billy's nerves may tank this relationship before it can even get started.

The couples are wrapping up their Gold Coast Trip, but not before ladies' night and gentleman's night. Elizabeth returns and rumors about Sam and Ines fly. Then at the dinner party, Mike and Heidi's relationship gets shaky, Ines and Sam deny the rumorsof their fling, Bronson is obliviously happy, and Ines gets a little taste of karma.