Alex, the leader of the pack, finds himself stuck in the middle of a love triangle between his high-school sweetheart Madisson and Juliette, his old flame from last summer.

"Siesta Key" follows an exclusive group of friends as they come of age in the most beautiful beach town in America: the island of Siesta Key, Florida. These young adults will confront issues of love, betrayal, class, and adulthood.

Garrett is jealous of Alex and Kelsey; Kelsey wonders if she sees a future with Garrett; Chloe tries to face up to her behavior; Madisson and Alex deal with being adults.

Alex deals with the repercussions of his fling with Amanda and debates whether or not to tell Juliette; Madisson steps away from the battle for Alex and catches Brandon's eye; Kelsey and Garrett grow further apart.

Rumors spread about Kelsey and Alex in a hot tub; Madisson and Brandon feel sparks; Chloe considers her relationship with Amanda.

The crew heads to Bimini for a few days of fun in the sun; drama quickly spreads when evidence of Alex and Kelsey's indiscretions surface; Juliette becomes overwhelmed with jealousy while Madisson and Brandon continue to get cozy.

Kelsey weaves a web between Alex and Garrett; Juliette evaluates her relationship with Alex; Chloe takes a break; Madisson receives a proposal.

Garrett is in denial about Kelsey and Alex; Juliette flirts with Garrett, and considers spilling the beans; Pauly spends the night in jail; Chloe throws a party.

Things heat up with Juliette and Garrett; Alex pulls away from Kelsey; Brandon and Madisson take their relationship to the next level; Pauly catches a break.

Juliette's cruel intentions take a turn; Kelsey's bad decisions catch up with her; Madisson tells Alex how she feels; Pauly pushes Chloe.

Canvas leaves Braddison looking more like a summer fling; Alex gets into a bar fight; Juliette questions Garrett's loyalty.

Tensions reach an apex at Chloe's birthday party; Madisson confronts Canvas; Garrett cannot stay away from Kelsey; Juliette seeks comfort from Alex.

Kelsey receives a modeling opportunity that sends her packing for New York City; Bradisson attempt to get their relationship back on track; Juliette heads back to school, but her happy arrival quickly turns into a nightmare.

Rumors emerge about Juliette and Alex. Kelsey and Madisson head off to New York to pursue their careers, but a rude awakening awaits them. Back in Siesta, Brandon makes a choice that forever changes the course of Bradisson.

Juliette reveals her rekindled relationship to the group; Kelsey and Garrett continue to bond; Tarik opens up about his sexuality; Brandon struggles with his infidelities as Chloe and Canvas dig for the truth.

Brandon makes a final emotional play to get Madisson back; Kelsey reveals her feelings to Garrett, only to be blocked by an unforeseen obstacle; Juliette and Alex have an explosive fight that leaves JAlex's future uncertain.