In an abandoned house, siblings Michelle and James stumble upon an old video titled 'video 15'. Curiosity piqued, they press play, discovering a hidden camera in their childhood home. The grainy footage reveals their younger selves, innocent yet charged with a budding curiosity. They're caught in a dance of mutual exploration, hands wandering, breaths hitching, as they teeter on the edge of the forbidden. The video ends abruptly, leaving them breathless and questioning their own desires.