The film is based on the Night's Watch, the first of Sergei Lukyanienko's trilogy. The Light Army signed a war-free contract with the Dark Army for a thousand years. A thousand years later, the leaders of the two armies, Gesher (Vladimir Menshav Vladimir Menshov) and Zaulong (Viktor Vilrebinsky Valeri Zolotukhin) lived in present-day Moscow. The night watchman tracks the dissidents of the darkness and maintains the balance between good and evil, while the day watchman monitors the activities of the power of light, and once the proportion of good and evil is out of balance, it will lead to war, revolution, destruction and even disaster all over the world. The rookie night watchman Anton Glochetsky (Konstantin Habinsky Konstantin Khabenskiy) is watching the vampire Cosga (Alexis Chadov Aleksey Chadov). The little boy Yegor appeared, he has the power to break the balance between light and dark, and whoever gets it will win in the end. The war between men and demons for ultimate power began, and the world began to collapse. Yegor will.