Splitsville

Carey and Ashley drive along the parkway, singing together as Ashley tries to spice things up. She gives Carey a handjob while he’s driving, and their car ends up flipping after crossing a dirt mound. A police officer arrives and confirms the woman in the other car is dead, leaving Carey exposed and shaken.

Back in the aftermath of the crash, Ashley tells Carey that she wants to divorce. She admits she has been sleeping with other people. Carey panics and bolts from the car, running through a nearby field in shock.

Carey swims to the home of their wealthy friends Paul and Julie and shares the news about Ashley. He ends up staying the night with them, where they reveal that they’re in an open relationship. Carey begins to grasp the world he’s been drawn into.

The next day, a man shows up accusing Paul and Julie’s son Russ of stealing his jet ski. Carey defends Julie when the man insults her, and the confrontation escalates. Afterward, Carey and Julie bond and have sex, deepening the complicated dynamic between them.

The following day, Carey tells Paul about sleeping with Julie, expecting openness to rule the day. Paul slaps him, and a violent fight erupts inside the house. Paul even tries to burn Carey with hairspray, they crash into the pool, and Julie and Russ return to witness the chaos; they all apologize for letting the situation spiral out of control.

Carey joins Julie and Russ at a carnival where he helps Russ win fish but accidentally loses them on a roller coaster. A single dad, Brent, flirts with Julie and Carey grows jealous of the attention. Julie confronts Carey about his behavior, and he opens up about how much the night meant to him.

Back home, Ashley starts seeing other people and even moves lovers into the house. Carey appears unfazed, and Ashley resumes reading her letter as she and Carey discuss an open relationship; Carey reluctantly admits he’s already slept with someone, though not telling her it was Julie.

Ashley’s new lovers, including Fede and Antoneta, move in, while Paul confronts Carey about the Julie affair. Ashley’s feelings toward Paul sour, and she refuses to sleep with him as payback for Carey’s indiscretions.

Julie drops Russ at school; Carey helps with the drop-off and then goes out with Julie. Julie reveals that Paul has shut his company and frozen their assets. Carey admits he can’t stop thinking about Julie, and Julie admits she never slept with anyone during their marriage; they kiss goodbye before Carey returns to work, with Paul watching from nearby.

Paul ends up spending time in jail, with Russ believing he’s away on business. After a stint, Paul is released on early parole and signs divorce papers for Julie. Paul and Ashley attempt a provocative plan to make their spouses jealous, but they ultimately decide it isn’t worth pursuing.

The adults gather for Russ’s birthday party, where Matt The Mentalist performs for the kids. Paul pretends to have a girlfriend to provoke Julie, while Ashley tries to win Carey back with a song. A tense revelation that Paul never slept with anyone is followed by an explosive argument among the four adults, culminating in a small accidental fire that is swiftly extinguished.

Sometime later, a hospital scene reveals Paul injured but Russ and Carey resolve things. Carey and Ashley reveal they have a baby boy, suggesting their marriage might be fixed. The group spends time at the beach house, with Julie and Paul maintaining a loose, ongoing affair; Russ challenges the adults about the jet ski incident as Carey and Paul butt heads once more with a physical confrontation over it.