Sergiusz, a teenager at a technical school, is misunderstood by his family and bullied by his peers because of his passion for fantasy and LARP games. In the incredible world of imagination and adventures marked by sword and sorcery, he is a true hero – masculine, brave, and invincible. In the real world, not so much.

When their father leaves on a business trip, Antek and his older sister, Paula, are left alone for the weekend in their sleek, high-tech smart home. Antek blames Paula for their mother leaving them - and their strained relationship goes from bad to worse when Paula invites her friends over for a party. The night takes a dark turn after the unexpected and unpleasant visit of a schoolmate. What was meant to be a carefree weekend quickly descends into terror, as the supposedly secure house becomes a deadly trap.