Boris a prudish biology student loses his room in the dorm and has to leave the campus. After realizing that he can't afford living by himself in an apartment he reluctantly looks for a roommate. That way he meets outgoing and nonchalant guy Marko who happens to love alone in s huge apartment. At first flat sharing with Marko seems like a perfect match but soon enough Boris is introduced to Marko's buddy Nenad who is a bonafide prankster and an internet star whose claim to fame is punking people.