School's over, exams are composed and the time has come to plunge into the real life. But before 13 friends from the International high school in Prague will desert to the world, they intend to organize a party, what wasn't even here. The idea to organize an illegal party at the biggest local pool is accepted by all, and her preparations are in full swing. But what begins as a night of all nights quickly turns into a fight for life and death. A mysterious masked killer begins his hunt. Students are panicking and starting them to realize that the murderer must be one of them...
