One hundred years have passed since the end of the war between people and bloodthirsty monsters, in which people won a complete and unconditional victory. The enemy is expelled, the borders of the human state are guarded by valiant warriors, security bugs are installed in houses, and every citizen is obliged to be vaccinated. The quiet life of teacher Inga Anatolyevna makes a steep turn. By the will of fate, she finds herself on the territory of the enemy, among those who have been taught to fear and hate since childhood.