Irina and Ema Kobiljski are close friends in class they have quite a good relationship with each other As long as they are same school together in elementary school In Serbia, Belgrade city But soon it will become a memory that must be accepted and let go. Because something happened at both of their schools A person walks around with a gun Inside the school and making many people worry Ema sacrificed herself So that everyone can be safe, but Ema's life can no longer be saved.