It is in a battlefield in Karelia, Finland during the Continuation war (1941-1944). Intensive shooting between Finnish and Soviet troops takes place. The Soviet occupation is strong, and on the Finnish side it is ordered to withdraw. But Captain Viktor Aaltonen does not listen to the order but wants to shorten a wounded companion's suffering. Aaltonen is taken to the Soviet prison camp, Vorkuta, where he will spend a decade.

About a love triangle between the soldiers 32 Svensson and 58 Jönsson and the girl Blenda. Both men ends up in jail, for different reasons. Further adventures and incidents occur.

Claus, an unhappy 28 year old Norwegian insurance company employee quits his job in Oslo and heads for Sweden in order to figure out who he really is. In his travels he meets and falls in love with Liss, a liberated small town woman, but they both have trouble considering a long-term commitment which will curtail their treasured freedom. After separating, Claus heads north and joins a surveying team, where he finds himself attracted to a country girl. Will the big city boy settle down in the rugged wilds of the Northlands, or will he return to the south and negotiate a commitment to Liss.

About a love triangle. Unidentified takes by Arne Mattsson.

In the last film of the original 91 film series two letters - one written in spite and another in love - end up in the wrong hands, while 91 and 87 as usual try to avoid ending up in military arrest.

Privates 91 and 87 are ordered to carry a tube of explosive chemicals to a military depot, while prize fighter Ingemar Johansson tries to teach them how to throw a punch.