Egor lives in a small seaside town and is graduating from high school this spring. He cannot stand the routine of his life much longer, and with his loyal friends Kisa and Hank, they start to look for excitement in their small town.
34-year-old physicist-astronomer Ignat Halley, fascinated by the stars and work at the mountain observatory, flies to the capital to file for a divorce. In Moscow, under unusual circumstances, Ignat meets a mysterious girl Taisia Artemyev and meets her whole family: mother Yulia, sister Dusya and intelligent, eccentric grandmother Yanga Lvovna. This meeting turns everything upside down in the life of an astronomer. And on New Year's Eve, Ignat will have to make an important decision that will change not only his life, but also his new acquaintances.