The series "Stay Alive" is a Russian war drama about the defense of Moscow against the Germans. In the autumn of 1941, fascist troops break through the defense and head towards the capital of the USSR. Russian soldiers do everything possible to delay the invaders. Sergeant Strelchenko and military engineer Zhiharev try to blow up a strategic dam, but their plan fails. Boris Zhiharev saves his comrade's life but himself falls into captivity. And the surviving Petr Strelchenko returns to headquarters and falls in love with the wife of his captured friend.