At dawn, the body of 27-year-old Valters Pētersons is found in the forest near the guesthouse. All those who attended Valter's birthday party become suspects. Investigator Richard Eversons gets a chance to return to police work. Still, he will have to work with a young and ambitious investigator Oskars, who wants to make the world a better place. It is unexpectedly revealed that at midnight, uninvited guests also arrived at the guesthouse, about whom all the witnesses do not want to say anything.