Arriving on an excursion to St. Petersburg, classmates Dana and Lyova witness the theft of the famous "Chizhik-Pyzhik". According to legend, if you make a wish and get a coin on the pedestal of the monument without dropping it into the water, it will surely come true. But "Chizhik" is gone. Does this mean that the guys will never be able to realize their dreams and Lyova's parents will still get divorced, and Dana will not become a famous blogger? Courageous schoolchildren rush in search of kidnappers, hiding from teachers, parents urgently summoned from Yekaterinburg, policemen and even from themselves.... "Peter the Great".

Journalist Kristina is filming a documentary about a case of domestic violence in an old high-rise building. But it turns out that these walls hold many secrets, because evil has settled in the house.

Masha tries to hide her mother's disappearance from her younger brother. Trying to maintain her usual way of life, the girl goes to work on the highway, while the boy accidentally finds an unknown phone at home, which again gives the children hope for their mother's return.