August 2015, Kremenchuk. Margo Perekhrist, who has recently left her familiar and comfortable job at a bank to join the newly created Patrol Police, faces rejection and ridicule from her colleagues - all because of her holiday photos that someone sent to journalists. And now her service is hanging in the balance. What a shame for the granddaughter of a local police legend! So now, in order to prove to everyone, and most importantly to herself, that she is worth something, Margo will take up the investigation of a strange murder that has happened in one of the sleepy houses in Kremenchuk these days...