Five former couples travel to a remote island to break free of their toxic relationships forever. The first night, jealousy pushes one of the exes to snap. In therapy, their darkest secrets are revealed.

The exes are blindsided by a surprise wedding. With tensions high, Nicole goes off on Freddie. Amid the chaos, John swoops in on a vulnerable Nicole, plotting for the first island hook up.

The exes set their past ablaze, setting off a firestorm of emotion. Two exes face off in a jaw-dropping altercation. John juggles two women at once. Antonio melts down after Ashley shacks up with another man.

Two of the exes have a blowout fight. Tension builds in an exercise where the exes are physically tied together. The shocking arrival of 10 new singles gives the exes a fresh shot at love.

The first island hookup leaves Brittney feeling burned. The exes go on blind dates with the sexy new singles, but one couple plots to sabotage it all. Sean faces off with Dr. Ish, leaving his future in limbo.

In a gut-wrenching therapy session, John storms off in hysterics after revealing his past. One ex couple decides to rekindle their relationship. A jealous Brittney spies her ex while he's with another woman.

The singles choose which exes to take on a romantic date. Nicole breaks down after her date bashes her. Antonio's jealous ways strike again. The exes party at a club, causing old flames to reignite.

Brittney and Lucas decide to keep their hookup a secret. A body language expert exposes who's really over their ex. Lucas pursues Margot, infuriating Roxy. Samantha and Sean's relationship implodes.

In final therapy, John's ex-wife sends him into a rampage. Lucas confesses his feelings for two different women. When Samantha's secret is revealed, a blindsided Sean starts packing his bags.

Anxiety builds as the exes go on a final date with a shocking twist. Lucas connects with Roxy, but ends up in another woman's bed. The exes make a heart-wrenching decision about who they'll leave Ex Isle with.