A comedy about a lost inheritance, love and a red umbrella, which, according to a local legend, belonged to St. Peter himself.

Ing. Bernard announces that his wife has not returned from visiting relatives in Berlin. Lieutenant Tereza Machátová, who together with Captain Landa is investigating the matter, puts the facts into connection with the discovery of the drowned woman's body.

Based on the short story of the same name by Dobroslav Chrobák, which deals with the return of Ondrej Baláž from the war after 17 years.