Construction of new buildings in Moscow's center causes a subway tunnel to crack, allowing water from the Moscow River to flood the tunnel and put hundreds of passengers in danger. The city hospital doctor, Andrey Garin, and his daughter are among those in peril as he fights to save the passengers and overcome his own emotions to survive and regain his loved ones.

Metro
In the depths of the Moscow subway, a catastrophic flood engulfs the station, leaving trapped passengers to fend for their lives in a desperate bid to escape the impending doom.