1986. Teenagers are killed one by one in the area of the government dachas on Rublevskoye Shosse. Intelligent investigator Valery Kozyrev, his audacious partner from Rostov Evgeny Bokov and very young investigator Natalia Dobrovolskaya begin the investigation, not even knowing how much it will change the fate of each of them. The only witness capable of identifying the maniac - schoolboy Igor, whose parents are not at all happy about his son's contact with the police.

Siege of Leningrad, 1942. Despaired Nina Voronova evacuates from the city, leaving her little son along in a deadly cold apartment. He is found by Katya, a teenage girl from next door. She claims he’s her brother, and manages to get extra food provision from the district administration. When Alexey Voronov arrives to the city, he realises this little boy is his son.

An emergency physician is accused of negligence, imprisoned, and banned from practising medicine. Released on parole, he gets a job as an ambulance driver. Being part of the ER crew, he can’t hide his medical expertise and keeps saving lives, even if ‘unofficially’. He only wants one thing — to legally practice medicine again. The life of the ER station consists of dramatic and often unconventional medical cases and tumultuous relationships inside the team. The characters’ life stories are troubled, but love heals all their wounds. Meetings and goodbyes, parents and children, personal dramas: it’s all connected in the show while the characters look for and find ways out of the most challenging professional and romantic situations.

Suddenly, on New Year Eve, Yuri becomes invisible. And very surprised after discovering that there is a lot of invisible people like him in Moscow.

Russia, January 25, 1725. "Give it all...". The emperor's weakening hand was able to write in his will only these two short incomprehensible words that kept Russia in a bloody struggle for the crown for a century.

One fine morning, the stoker of an ancient stokehouse in Moscow woke up with a hangover, found a hefty black raven on his window, which turned out to be talking and boozing.