Nilsa gets jealous when Gus hooks up with a girl from the bar, familiar tensions between Codi and Jeremiah return, and a toothpaste prank creates drama.
Nilsa and Gus realize that they aren't looking for the same thing after their kiss, Aimee struggles with a hangover, and Gus's birthday gets derailed by a pair of bar fights.
Kirk faces possible assault charges after a bar fight, the housemates hunt for summer jobs, and Candace and Nilsa enter the Miss La Vela bikini contest.
Codi tells Candace that he used Aimee to make her jealous, Kortni finds out that Logan has been lying to her family, and Candace's boyfriend plans a visit to Panama City.
Drama unfolds after Candace announces that her boyfriend is coming to visit, and Logan becomes increasingly territorial over Kortni's relationship with Jeremiah.
A pregnancy scare pushes Kortni and Logan's already toxic relationship to the boiling point, Gus tries to help Codi get in shape, and Candace works things out with Gator.
After breaking up with Logan, Kortni is worried she may be pregnant with his baby. Candace and Kortni continue to struggle with their friendship. Jeremiah has some fun with a hook up.
The roommates support Jeremiah as he deals with the death of his grandfather, but during a night out, Nilsa gets drunk, which leads to a big fight with Aimee.
Gus finds it hard to resist Nilsa's continued advances, a Mermaid Academy trip brings the girls together, and the gang tries to keep Kortni from falling for Logan's gift.
On a trip to New Orleans, Gus and Nilsa's "friends with benefits" agreement is put to the test, and Candace confronts a physical altercation with Gator Jay.
Candace contemplates her future with Gator, Kortni gets some shocking news about Logan, and Nilsa plays matchmaker for Aimee. After Kortni breaks "Girl Code" again, Nilsa tries to rise above and keep her eyes on her prize - Gus.
Gus and Nilsa's hookup sends shockwaves through the house. Kortni decides to lay it all on the line and tell Jeremiah how she feels. Nilsa catches feelings, while Gus sets his sights on a group of sorority girls.
Aimee pulls out all the stops to help Nilsa get over the fact that Gus "brung another girl home." Candace struggles to come up with the right way to tell Gator how she feels. And Kortni notices a change in Jeremiah since she opened up to him.
Everyone is eager to leave the drama in PCB as they board a plane for Mexico. But Kortni brings with her a dark cloud that threatens to dampen the whole trip. Gus and Nilsa are determined to leave #Gilsa back home.
The party continues in Mexico, but Gus is having trouble staying focused on one girl. Kortni has a breakdown. Jeremiah tests the limits of his endurance. Candace faces her worst fears.
After a day of thrills in the Mexican desert, the roommates celebrate their final night in Cabo with a feast on the beach. On the menu: Mixed Signals, Nosy Snoopers, and Karmic Just Desserts.
The Roommates head back to PCB, but Nilsa still carries a grudge from the drama of their last night in Cabo. So Kortni has to find a special way to say she's sorry. Codi's parents make a surprise visit to teach the Beach House crew how to turn it up