1942 年，卫国战争。经验丰富的狙击手兄弟阿列克谢和叶戈尔·布罗申在执行任务归来后遇到了技术高超的德国狙击手温格勒。决斗的结果是，叶戈尔死亡，阿列克谢身受重伤并被送进医院。伤势刚刚痊愈，他就冲向前线，但医疗委员会发现他不适合服役。指挥部没有让他返回前线，而是交给阿列克谢一项不同寻常的任务：教年轻的女学员狙击技术。阿列克谢对他的学生进行严格的训练，有时甚至很残忍。

Distant relatives showed up at the home of Kostya, an intelligent IT specialist from the capital. The Shmakov family. They hadn't seen each other for twenty years, hadn't even called each other. The Shmakovs came from the Urals to film a TV show about the country's talents, but lost their money and documents at the train station. Kostya lets his relatives spend the night in his luxurious country house, but time passes, and the Shmakovs have no intention of moving out. Kostya's ideal life is gradually falling apart, and he has to face his greatest fears in order to protect himself and his family.