Slovak partisans, bravely fighting against Nazi superiority, would never have succeeded to such an extent if they had not been supported by the villagers. Despite the threat of repression, it is the villagers who care for the wounded, hide them, and behave conscientiously. Although the film was made in the late 1960s, it fully adopts the patterns of partisan stories, perhaps the only thing it can be credited with is a more developed sense of authenticity in the story, characters, and setting.

In Slovakia, they also created a pair of investigators who have appeared in several films. Volanie démonov is the third of them. The police officers, one Maigret-like, thoughtful, the other humorously hasty, this time solve a fire in a furniture factory and the deaths of two employees - one burned himself, the other fell into a dry well. The investigation of the complicated case takes a long time, but in the end it turns out that revenge can be extraordinarily strong and persistent.

The story of a man who, in a supposed struggle to save his own life and home, kills a helpless man. His victim is a Jewish doctor who is hidden by partisans in a secluded peasant home.

In Slovakia, they often and gladly honored those soldiers who refused to serve the fascist regime and stood against it. Lieutenant Kukorelli also rejected the tempting career of a pilot, instead helping the resistance fighters and later participating in the Slovak National Uprising.