In a peaceful office are idle working-architects, dreaming of some bright event . And the event does not keep itself waiting - a corpse was found in the assembly hall . The victim was strangled with a belt from an ordinary office robe . And suspicion falls on everyone at once - after all, it is in such robes that the bureau employees walk around . Mrs. Ioann decides that the police are of little use, and therefore she takes up the investigation. But her colleagues are rare fools, they can not answer any question clearly, they suspect each other and shamelessly lie . And yet endlessly eat-drink, deal with lovers-lovers, write abstract paintings, eavesdrop-peep and in this mess, John tries to find the killer. And at the same time to understand their own feelings and find out what she feels for the investigator, who managed to award the nickname the Devil ..