Moscow is growing and new building development at the heart of the city brings to the fact that in one of the underground tunnels between the two stations there is a crack. Nobody could imagine that, as a result of leakage water from the Moscow River will pour into the tunnel, and hundreds of train passengers will be at the mercy of an impending flood. Raging water flow threatens not only the collapse of underground tunnels, but also the destruction of the entire city.
Among the people who got into trouble - a doctor of the city hospital Andrey Garin and his daughter Xenia. Garin is fighting the disaster, trying to save survived passengers, including ... his wife's lover. Garin will have to overcome resentment, anger, and fear. He must survive in order to return his love, family ... his former happy life.