Two young, naive 18-year-olds, siblings unaware of the other's burgeoning desires, find solace in their shared secret - a hidden room in their sprawling mansion. Here, they indulge in their secret vices, masturbating to the same pornographic materials they've collected over time. One day, they catch each other in the act, their initial embarrassment giving way to a mutual desire. They tentatively explore each other's bodies, their inexperience making them clumsy, yet their hunger for each other undeniable. They stumble through their first sexual encounter, a clumsy, beautiful exploration of each other's bodies, their shared secret binding them together.