Rio Sage, having just moved from Hawaii all the way to Malibu, makes a new group of friends including Sofia, Sean, Keaton and the handsome Joey, whom she has recently begun dating. When Joey's ex, Ally, hears about their new romance she decides it’s time to crash the party that Rio is at with Joey.
After seeing Joey cozying up to Ally at the party, Rio begins to worry that he's still hung up on his ex, sending Joey into damage control. Joey invites Rio to a bonfire and promises her that Ally won’t attend.
Everyone hits the beach for a twilight bonfire. Joey and Rio finally talk, and the evening seems perfect––but it’s not over yet. While s’mores and moonlit walks on the beach are romantic, what’s more exciting than an uninvited guest?
Joey and Rio are dating, which means Ally is officially upset so she plots with the girls to win over Joey. Meanwhile, Rio spends the afternoon with Sean after being brushed off.
Joey surprises Rio with a romantic gesture; but Rio surprises him with a loaded question. Ally decides she needs to up the stakes if she really wants to make Joey jealous. Later, things heat up as Ally and Sean join their friends for a group date.
The boys are heading to Rio's place and girls are on their minds. Joey hears about Ally's evening with Sean, and Keaton reveals his new crush. Later Ally hits up a party, hoping Joey will give her the sign she needs to make her move.
The party is lit but it seems like Sean is adding some fuel to the fire. Keaton tells Courtney about his feelings for Bailey and she agrees to help him. Ally's plan is in full action but with Rio close by will she be able to make Joey jealous?
While everyone is out surfing, Rio gets stood up. Sean comes through for her but Rio has no plans of letting Joey slide.
Rio learns that Joey went to Ally's house the night before. She's upset but not letting it get to her since she has a friend visiting from Maui. But when Rio runs into Joey later at the beach things go from bad to worse when a fight breaks out.
Keaton's throwing a dayger and Rio isn't going to shy away just because of Joey. With Ally at the party things get uncomfortable quick. What will Rio do to get her man back?
Keaton's party is over but the drama isn't. Ally and her friends are still in shock over what Rio said to her while the boys are divided over the Sean and Joey fight. It's just another day of trouble in paradise.
The dust still hasn't settled after Rio and Ally's confrontation. Ally's hiding out from not only her phone but also from Joey. Rio tells Joey to make up his mind of between her and Ally. Later, Sean consoles Rio but it's obvious he's got more on his mind than just friendship.
Ashlyn decides to take a trip up the coast and tries to convince Rio to join her. Meanwhile, the secret slips when Sean admits to Ally and Courtney that he kissed Rio. But who will break the news to Joey?
After Joey learns about Sean and Rio's kiss he's forced to hang out with Sean - and it's off to a rocky start. Ally talks to Courtney about how she wants hang out with old flame Dylan. Meanwhile, Ashyln leaves for her road trip and Rio is tempted to go.
Rio, Ashyln, and Sofia's girls trip has officially started and they're enjoying their time away...especially when they meet two new cute boys. Joey and the boys are finally all back together and there's no drama, but that might change after Sean sees a picture of Rio with the new guy.
Everyone is arriving at the surf meet and Joey feels some real competition when Ally arrives with Dylan. Sean meets up with Rio for the first time since the kiss and comes face to face with the mystery guy from the picture, Eugene.
The competition has begun and it's not going well for anyone. Joey can't focus during his heat because his mind is on Ally. Things get even worse when he's back on shore and Ally approaches him followed by Dylan.
Rio is worried Sean is mad at her too after his collision with Eugene. Everyone goes to a party that night but Joey wants to avoid Ally for fear she's now with Dylan. Eugene and Sean talk and it doesn't look like Sean is going to forgive him.
The party is still going strong but everyone is divided. Joey tries to make things right with Dylan after their fight on the beach. Later, Rio and Joey finally sit down to talk about their relationship and where they go from here.
Ally and Bailey walk in on something unexpected back at their beach house. Meanwhile, Rio chases down Sean to talk about what's going on between them. Joey and Ally called it quits, but is it forever?