A little Mermaid falls in love with a Prince whom she saves during a storm. Using all kinds of magical incantations in exchange for the Mermaid’s beautiful blue hair, a witch replaces her fish tail with human legs, making it possible for the Mermaid to walk and live on earth at the cost of great pain with every step she takes. The Little Mermaid willingly suffers through these trials only to be near her beloved. But the Prince, not realizing how lucky he is, becomes enamored with a beautiful but vain princess.

The wife of a Bulgarian POW camp's warden falls in love with a Serbian prisoner at the end of World War I.

The film is in 3 parts: 1) 'Eden' - Aliens from the planet Rhea have flown with a damaged spaceship to Earth, looking for intelligent beings. They find apemen and take one of them into their ship. 2) 'The Wanderer' - A crime writer, who is travelling to see his dying friend, picks up a strange hitchhiker. On his return from the sanatorium, his car goes off the road, but the stranger lifts it into the air and lands it back on the highway. Then he goes to the writer's house and shows him his supernatural abilities. 3) 'My First Day' - Len, an alien traveler arrives on Earth to share with humans the knowledge of their ancient civilization. He meets its inhabitants, who are served by robots and travel back in time, because their life is boring and meaningless. Every day his hostess Lena visits an ancient Slavic settlement and monitors its inhabitants. One day she appears before the hunter Bayan, who has been captivated by her beauty and takes her into his hut.

In the House of Marriages, the young couples are paraded one after other. The newlyweds sign the register, kiss and receive congratulations. The picture fades out and another house takes shape: house of executions. An antifascist resister condemned to die marries his beloved minutes before facing the firing squad.

The action takes place at the end of WWII. It is 1944 on the Yugoslav front, where the Bulgarian Army is fighting bloody battles against the retreating Nazi units. Several lorries loaded with Bulgarian soldiers make a detour so as to deliver ammunitions to an army unit. They are people with different convictions sharing a common goal - to come out victorious and to return to their peaceful everyday life. Among them are people who believe in the triumph of the new system and for whom the difficult crusade is a confirmation of their ideals. They are also uncertain people. For the youngest this is the first trial in life. A young Yugoslav woman helps them find the road through the dangerous front line. Her romance with the one of Bulgarian soldiers symbolizes solidarity in the struggle against the common enemy. After a series of difficulties and mishaps, the soldiers manage to deliver the ammunitions to their comrades.