Desc: Kogda svyatye marshiruyut: Directed by Vladimir Vorobyov. With Vera Alentova, Alla Balter, Aleksandr Bargman, Igor Dmitriev. The Leningrad Jazz Club is preparing to celebrate its thirtieth birthday and the anniversary of the club's founder, the first leader of the jazz band Alexei Sokolnikov. It was decided to find the entire first composition of this team and invite him to the holiday. But this is not so easy to do, besides, there is a certain mystery lurking in the past, which at one time served as the reason for the collapse of the team.