Returning home after the bachelorette party, Rita Zvyagintseva finds her wedding dress cut into shreds. What kind of “sworn” girlfriend could give such a gift? But against the backdrop of the next discovery, a ruined expensive dress turned out to be only flowers - in the room, in a pool of blood, the girl discovers the corpse of a stranger... Close people consider Rita a murderer, the investigator does not believe in her alibi, and the wedding celebration threatens to turn into a trial... To return life to its usual course , Rita can only rely on herself and on her new feathered friend, who not only drinks beer with pleasure and swears masterfully, but also saves the life of his owner.