Sienna swaps her identical iced latte with Leo at a chaotic downtown cafe. A bantering argument becomes a spontaneous breakfast date, then a breathless afternoon at his apartment.

Sienna receives an anonymous text from Leo referencing a specific detail from their afternoon. The conversation turns filthy, leading to explicit mirror selfies and a frantic solo session.

Leo initiates a midnight FaceTime from his dark bedroom. He commands her over the camera, guiding her hands in a hyper-explicit, highly vocal session of mutual masturbation.

Sienna arrives at her parents' house for Sunday dinner to meet her sister's new boyfriend. The door opens to Leo. They sit across from each other at the table, trading suffocating eye contact.

While Megan helps their mother with dessert, Leo traps Sienna in the narrow hallway near the guest bathroom. He corners her, whispering filthy reminders.

Sienna tries to break off the digital arrangement via text to protect her sister. Leo reveals he and Megan had already mutually agreed to break up before the dinner.

Leo shows up at Sienna's apartment after Megan publicly announces the amicable split. The reunion is explosive, recreating the kitchen counter heat with emotional intensity.

Months later. Sienna and Leo attend a family barbecue as an official couple. Megan is supportive. Leo whispers a private promise as the family laughs in the backyard.