10 Reality and social media celebs think they're on a sexy getaway but paradise turns into a nightmare when their exes start emerging from the beach to ruin their good time. Will they spark old flames or open old wounds?

A new ex arrives with a secret that scandalizes the whole house. One of the exes is voted off the beach. Couples (and former couples) face their worst nightmares when they are introduced to the Shack of Secrets.

The house must decide who has it worse when one single finds himself caught between two exes and another is faced with his most dreaded ex. A sexy date turns into total chaos.

Angela turns to her ex when she hears about what happened between her current man and someone else. The two women fighting over Chase suddenly find themselves fighting over the new guy in the house.

In a surprise twist, the exes find themselves with all the power. Derrick schemes and tries to manipulate the house. Two new exes arrive and one is more welcome than the other.

Cory's ex, Alicia, returns and sends the house into chaos. An ex is sent to the beach for the first time. Dirty secrets are revealed in the Shack of Secrets in the elimination leaves everyone's surprised.

Paulie and Lexi finally define the relationship but a trip to the Shack of Secrets threatens to tear their time in paradise apart. A new ex arrives to make an old ex jealous and crashes the party, literally.

Jasmine is tempted to bring a new man into the mix and kick someone else out. When Alicia rips into Cory, everyone gets pulled into the drama. Relationships are on the line when the exes jeopardize their place in the house.

Cory and Taylor's relationship is pushed into the danger zone when Cory's lingering feelings for Alicia come to light. A comment triggers an explosive fight in the house. A new ex arrives and receives unexpected news.

The house is shocked when all the eliminated exes return. A game of Dare or Double Dare is innocent fun until Angela and Derrick do something that they shouldn't. The house regroups after the big fight.

A trip to the SOS threatens to break up a newly reunited couple. Chase's love triangle games finally come to a head. The singles must decide if they're leaving Hawaii with love or solo.

A group of singles thinks they're on a sexy getaway, but their pasts are put on blast when they realize their exes will be joining them, and a painful secret is revealed.

Maya learns a secret about Kareem, another single guy arrives at the house, and an ex spreads an explosive rumor about one of the housemates.

Farrah and Cheyenne are in for big surprises, and the singles must decide which ex is on the chopping block in the first Cut or Crush Ceremony.

Fed up with Maya's mean-girl ways, Diandra befriends the newest ex to gain strength in numbers, and an unexpected surprise jeopardizes one of the house's strongest couples.

Morgan struggles to keep her kiss with Corey a secret from Jay, Farrah leaves for her court date, and the arrival of Nurys's ex stirs up drama.

Nicole and Chad get to know each other on a romantic dinner date, Janelle loses it on someone in the house during a jealous rage, and Farrah makes an enemy out of Nurys.

Janelle tries to bury the hatchet, the battle between Farrah and Nurys continues, and a revealing trip to the Shack of Secrets puts the exes in the driver's seat.

The exes' elimination decision is revealed, the arrival of a new single rocks the house, and an animal party turns vicious.

Janelle faces repercussions, Cheyenne questions his future after a trip to the Shack of Secrets, and a relationship is threatened when a new ex arrives at the house.

It's time for payback when the singles eliminate an ex, Chad and Nicole's relationship hits another road block, and a costume party ends with a meltdown.

Maddie goes too far with her comments, Angela and Nelson turn up the heat, a visit to the Shack of Secrets leads to a surprising bond, and the exes roast the singles.

Chad deals with the fallout from Nicole's actions, tension leads to a confrontation between Jozea and Corey, and Angela gets an unpleasant surprise when her ex shows up.

The house is shook when an ex is sent home without warning, Angela finally comes clean about her past with Tor'i, and Chad campaigns for Maddie's eviction.

Farrah returns to find out once and for all if she is truly over her Ex. The truth is revealed when a lie detector test forces the house to take an honest look at their relationships.

Romeo and Justina Valentine sit down with the singles and exes to rehash the season's biggest hookups and clashes, and a lie detector test reveals some painful truths.

Cheyenne reveals a shocking love triangle, Malcolm admits to cheating on Maya, and the truth comes out when Morgan faces the lie detector test.