The series tells a story of a Special Investigative Agency (SIA) created within Police forces. SIA investigates high-profile and complex crimes. SIA has a cutting-edge technology, best forensic and medicolegal laboratories.
Special Investigative Agency (SIA) tries to find and arrest a serial killer called Organist who kidnaps 10-years old girls and then they're found dead without some organs. The Team finds out that several of the victims played online game where they chatted with a suspicious user. The Team follows the lead.
Tracking down the Organist the SIA finds out that all the victims were injected with poison emitted by African ants Siafu and that there's a sect of followers of Siafu in the city. Taras infiltrates in the sect affecting a wish of being one of them.
The SIA comes out on the finish line in catching the Organist. They find out that a known writer, who lost his daughter, sets out to resurrect her spirit in the body of the last thirteenth victim.
When ambulance arrived on the call a doctor and a nurse were attacked and killed by a junkie. The SIA investigates but the case appears to be not as obvious as it seems.
The body of a killed woman found in the trunk of a car. The SIA investigates and digs into the past of the victim where they eventually find responsible for her killing.
A young designer found dead purported as suicide. The SIA investigates and finds out that he was one of responsible for car accident with the dead outcome.
A journalist found dead from being poisoned. The last his investigation pertained a factory dumping its waste into the water storage. The SIA investigates.
An American resident was kidnapped with the aim of ransom. The SIA investigates and soon finds him dead. But he appeared to be not the person he purported to be.
The series of kidnapping of young girls sweeps over the city. Their bodies were burned down to ash that after was sent to the close people of the victims. The SIA investigates.
The body of a dead man was fished out of the river. The expertise points out that he died from falling from height and then his body was drowned. The SIA investigates.
The SIA investigates disappearance of a surrogate mother. A married couple that hired her for bearing their baby said that she hadn't already been in touch for several days. But the key of the case conceals in the horrible past of both women.
A perspective sportswoman was pierced with a spear on the fly. The implement was hurled with the great force presumably by a strong man or a professional sportsman. The SIA investigates.
A woman was shot at the cemetery. The SIA investigates and finds out that the victim worked in a bank and helped a dishonest businessman transfer his stolen money to the offshore account of another country.
A known actress crashed dead hitting another car. She was alone in the car but the expertise says that she had been dead yet an hour before the crashing occurred. The SIA investigates.
A petty journalist was stabbed dead in the flat that he rented with another man. The SIA scrutinizes many possible versions of who might have done it but only an old scanned photo found in the phone of the victim leads them to solving the case.
A regional deputy lost control of a car, flew off the road and crashed dead. A passenger who was with him and survived the crashing told that before the impact there had been an explosive sound and a bright flash that blinded the victim and caused him losing control of the car. The SIA investigates.
A regular case leads the SIA out on a trail of a serial maniac, considering himself the judge, who throughout the years violently kills people forcing his victims before death to confess in their sins.
A journalist found hanged at his house. The SIA takes on the case and looks into his unpublished investigations that lead them to a creepy fighting school.
A man fell off the window of his flat purported as suicide. But there was a strange thing: in blood of the victim was discovered a total absence of adrenaline as though he was sleeping during the fall. The SIA investigates.
A Belgian antiquarian was poisoned and strangled. His daughter told that a precious ring that had been an heirloom over several generations was missing. The SIA investigates.
A man was shot through the window pane of his flat. At the crime scene there was discovered counterfeit money. Shortly the killer was also found dead. The SIA investigates.
Out of the city there was found a dead woman. In her lungs was discovered the sea salt as if she was drowned but the closest sea located miles away from the crime scene. The SIA investigates.
A businesswoman found dead at the hotel room. The SIA investigates and finds out that she was an allergic to a particular drug that was added into her medicament and caused death.
A head physician of medical clinic found dead at her office. The SIA investigates and finds out that the clinic's carried out many informal and illicit operations and then blackmailed their patients.
A businessman was shot at his flat. His security guard was also killed, his safe opened and money stolen. In addition, he appeared to be far from a saint man engaging in drug distribution. The SIA investigates.
The SIA investigates a kid's missing. Before long another kid disappears and then yet another one. The SIA finds out that all missing kids had been treated in the same hospital where they probably were selected over needed medical characteristic for horrible purpose.
A dead girl found in the woods. The SIA investigates and finds out that her man was an archaeologist who was asked by an aristocrat for decryption his old letter which pointed out the spot where family treasures had been hoarded.
A seventeen-year-old girl accused of attempting to kill her father. She seems to be mentally ill consequently she can't be persecuted by law but conducted medical tests have shown that she's healthy and clean of drugs. Shortly she sees her own double that attacks her.
A director of marriage agency and his secretary were poisoned with cyanide. The SIA investigates and suspects the victim's business competitors who were jealous of his success and wanted to take his place.
An ecologist was irradiated with lethal dose at his office. The SIA investigates and finds the source of irradiation that the victim has brought himself when he visited radioactive zone by work. He put it into special case which blocks the leaks of radiation but someone has opened it.
