Nobel Laureate Harry Martinson's famous poem consists of 103 cantos and relates the tragedy of a space ship which, originally bound for Mars with a cargo of colonists from the ravaged Earth, is ejected from the solar system after an accident and into an existential struggle.

Italian singer Mario Vanni visits the Royal Opera in Stockholm and fall in love with ballet dancer Linda Corina.

The marriage of the newlyweds Gun and Emil is strained when Gun sings in a radio show and makes a breakthrough.