The plot is based on the true facts of the heroic defense of Odesa during the Second World War. The first series, based on documentary material, is a series of events related to the defense of the city. The second series consists of individual novels dedicated to some of the characters in the film, which features 210 characters - bright characters of Odesa residents. The heroes get to the front line by tram, while the enemy is firing at the city with direct fire.