On a group surf trip to Costa Rica, Kristin makes Brody jealous by hooking up with a local bartender, Audrina fights her attraction to Justin, and Stephanie finds herself at odds with the jungle environment.
The gang heads out to Costa Rica for a fun getaway, and immediately after landing, Kristin begins to speculate on who's going to hook up during the trip.
Kristin tells Stacie she thinks Justin Bobby is "the one" for Audrina, but Brody isn't "the one" for her.
When Kristin begins to flirt with the bartender, Brody becomes jealous and publicly states that he too is "cruising" for chicks.
After Audrina expresses that Justin Bobby is making her feel uncomfortable, he grabs her butt as he walks past her making things worse.
Kristin tells Stacie and Taylor she's done with Brody after he publicly embarrassed her in the bar.
Kristin continues to flirt with the bartender named Will and asks when she will see him again.
Will tells Kristin about an amazing bar nearby and invites her on a date.
Brody watches Kristin get excited at Will's invitation, but doesn't say anything.
Kristin and Will dance together in the rainstorm.
Audrina, Kristin and Stacie drive to the beach for some surfing lessons.
Charlie tells Justin Bobby that he needs to make a move on Audrina before the trip is over, but Justin Bobby says he's hesitant because she still has issues with Ryan.
Audrina and Kristin are glad to have some away time from the boys and surf on their own.
Kristin and Will continue to flirt in front of Brody at dinner.
Justin Bobby tells Audrina he's kept his distance because she has "baggage," but she claims she doesn't have any.
Brody makes a rude comment to Kristin in front of Will, which makes them both uncomfortable.
Kristin pulls Will aside to get some alone time away from Brody, and the two end up sharing a smooch.
As the gang heads back to L.A., Kristin gets defensive when Brody mentions Will's name.
Justin Bobby asks Audrina if she'll ever come back to Costa Rica, and she says, "Not with you."