Breakthrough (Russian: Прорыв, romanized: Proryv) is a 1986 Soviet disaster film directed by Dmitri Svetozarov.
[1] The film shows a major accident that occurred during the construction of a tunnel leading to the fictional station Petrovskaya of Leningrad Metro.
It is based on a similar accident in 1974, in the tunnel between stations Lesnaya and Ploschad Muzhestva, playing up its unique design and geological conditions.
The film depicts a major accident that occurs during the construction of a transit tunnel leading to the fictional “Petrovskaya” station in the Leningrad Metro.
During a meeting, Poluektov, following the advice of engineer Kostyra, approves the construction of a concrete barrier and the controlled flooding of the tunnel.