Cezars Kalnins installs telephones by day and composes pop songs by night. His band has a hard time receiving the permit from Soviet censorship authorities for a public debut. A member of the Culture Committee superficially listens to Cēzars' songs and deems the lyrics "unsuitable and frivolous” and "unfit for the Soviet youth”, and is later powerless to stop the grindstone of public debate, which she has herself initiated.
The civil war in Russia, guerrillas fighting with Kolchak formations. As a result of sabotage, accident with white Russian train takes place. In disaster area the flag with the inscription "Wagtail's Army" is found. Kolchak commanders think that they are Bolsheviks, but guerrilla leader does not know anything. It turns out that this is work of three boys.
Roger Mills, a Harley Street specialist, is taking a sailing holiday on the Norfolk Broads. When his six guests find him at the tiller of his yacht with a smile on his face and a gunshot through his heart, all six fall under suspicion.
