Pressured by her husband Ryan to attend an experimental couples-swapping weekend retreat, Olivia anticipates an awkward social excursion but encounters an emotional minefield instead. Upon arrival, the rules of the getaway pair her with Jake, the enigmatic spouse of her best friend Mia. Defying Mia's descriptions of a boring husband, Jake proves to be charismatic, perceptive, and intensely assertive, relentlessly pursuing Olivia throughout the secluded resort. As the days progress, Ryan grows possessive while Jake continues his bold advances, trapping Olivia between her husband's volatile jealousy and an illicit desire that threatens to dismantle their closely knit circle of friends.