Liza has always disliked Vlad, a friend of her husband Kostya. Vlad seemed to her a slippery, unpleasant type. Nevertheless, the news that Vlad was killed came like a bolt from the blue! As it turned out, Lisa’s intuition did not deceive her - Vlad’s favorite pastime was evil pranks and cruel jokes, the victims of which were most often his friends. And one of them, it seems, has run out of patience... In her husband’s bag, Lisa accidentally discovered a laptop very similar to the one that disappeared from Vlad’s apartment after his death. Did Kostya really kill his friend? But what could have caused such an act?