Fifteen years old Nikita Dzhukov (The Bug)- handsome and clever - he is a leader of the class. There is a newcomer in the class - Senya Ivanov. He's got oncology, but only the principal knows about it. Both Nikita and Senya like Lisa, a girl from their class. The Bug trip on Senya, showing his supremacy. Senya stops appearing in school. He is in hospital, doing chemical therapy. The Bug finds it out. Time passes and Senya comes back to school. He is bold because of the therapy, and he worries about how the classmates will receive him - wan, thin, and, most of all, bold. Senya comes to school, he's wearing a cap. The classmates with The Bug in charge meets him in front of the school. They all are wearing caps. They are standing in front of Senya. Senya is frightened. But the Bug and the rest put off their caps, they are all bold. They are smiling. Senya puts off his cap, smiling in response. They hug each other, laughing joyfully.

By an absurd coincidence, two families who did not know each other at all rented the same cottage for New Year's Eve. There is no time to give up housing, so they are forced to somehow find a common language and get along under the same roof.

On December 30, the whole country is already resting in anticipation of the New Year... and it's the hottest time in Santa Claus Corporation. It's good that the New Year is not only fireworks and salads, but also real magical transformations.

There are different children in one ward: one has completely gone into the virtual reality world of computer games and decided that he has ceased to be a person and turned into a Creature. The second, through the fault of his stepfather, was carried away by the ideas of Nazism. The third, a boy from a prosperous family, no longer wanted to live and tried to step off the balcony. The fourth is just silent and hates everyone.

Odessa, August 1970. A heat wave. The city is full of tourists. Boris, a journalist and foreign affairs specialist, and his eight-year-old son Valeri arrive from Moscow to visit Boris’ in-laws, Grigori Iosifovich and Raisa Irovna Davidov. But on the day of their arrival, Odessa declares a quarantine due to a cholera outbreak, and the city is closed off. Having come for a few days, the son-in-law is plunged into a world changed by serious danger. Family secrets will be disclosed, improbable events happen, and a great forbidden love starts.

Near future. Lera Arabova is a 15-year-old girl who lives with her family in Vladivostok. Lera's father has been working at the orbiting space station "Mira" for many years and has long lost contact with his daughter, turning only into a voice on the phone. After a meteor shower hits the city, Lera has only one chance to save her loved ones and the city from a new disaster. Her father helps her in this - through satellite surveillance systems and the telephone, he uses every opportunity to send a message to his daughter, watching from above from the station her every step.

Young professor Anton Kosmich studies the history of Belarus. One day he is mystically transported to the Middle Ages, where he will have to unravel the secrets of the past millennia.

1960. There's an outbreak of smallpox in Moscow. This incurable deadly disease was considered conquered in the USSR. To fight the possible epidemic the KGB assigns colonel Shilov. He dives into the struggle at once because he has an old account to settle with smallpox. The task is to locate all those infected and stop the spread of the virus. But it is not an easy mission. The infection has spread to the underworld of the capital. Shilov must look for answers in the depths of the criminal world, unearthing its inhabitants and secrets.