The celebrity singles arrive at the Malibu house, and as sparks begin to fly between the new roommates, exes enter the picture and interrupt their fun.

Billy seeks a fresh start with his newly arrived ex, Elena learns the truth about her breakup with Mark in the Shack of Secrets, and the first ex is sent home.

Things between Cameron and Geles heat up quickly, two new exes wash ashore, and Aubrey and Devin butt heads at the paint party Lexi and Allie planned for the house.

Aubrey wigs out, Anthony regrets hooking up with Shannon, Cameron's ex Alexis arrives, Billy and Lexi grow closer, and Devin and Marie take things slow.

Devin faces the wrath of Marie when he calls her a six. Billy puts the moves on Lexi. A new Ex becomes an intriguing Next for on Single. A Crush Date is awarded.

The arrival of a new ex isn't nearly as bad as a surprise visit from mom, Marie is hurt by Devin's assessment of their relationship, and a familiar face returns.

An Ex arrives at the worst time to completely upend a recently rekindled romance between a Single and their other Ex; Mark spices things up with Aubrey; Billy is in his feels over Lexi; a Crush Date is awarded.

Cameron stands trial for crimes against his Exes. Mark and Aubrey must contend with an unexpected Ex. An Ex is sent home.

Coffey does not seem to be worried about Mark, at least until him and Aubrey have sex for the first time. Billy happily reconnects with his ex.

Mechie's new romance is put to the test when a new Ex enters the house. The Singles learn that their actions have consequences at a surprising Cut Ceremony. A secret relationship is revealed.