It is the time when Poland and Sweden are fighting for Riga. Three brave young men interfere and the city remains in the hands of Riga citizens.

The 30-year war still goes on. Riga headmasters have decided to submit themselves to mercy of Polish-Lithuanian Duke. Rigas' defenders disagree strongly and steal the ceremonial Key of Riga. Will they succeed in their fight against all odds? Will three Latvian musketeers have their happily ever after? Some musical/dance numbers by Raimonds Pauls are included, too.—rower