The story of the operatives is based on real events that occurred in the colonies of the 21st century. Opera, aka Kum, is the white bone of the penal system. Its functionality is so wide that sometimes you have to walk on the edge of a knife. He is both a carrot and a stick, a prosecutor and a lawyer, an intelligence officer and a judge. Operational work is an iceberg. The average person sees a small part, everything else is hidden behind the scenes and classified as top secret. Loyalty to officer's duty, honor and conscience, escapes and murders, corruption and torture, some episodes have no precedent. Contains obscene language.