The year is 2163. Starship Ikaria XB-1 embarks on a mission deep into space in search of alien life. During their perilous journey the crew confront the effects of a malignant dark star, the destructive legacy of the 20th century and, ultimately, the limits of their own sanity.

In her first feature, Věra Chytilová uses a combination of documentary and fiction film techniques to tell two stories in counterpoint. The first follows Olympic champion gymnast Eva Bosáková, who contemplates retirement as she undergoes a gruelling training schedule; the second, a housewife who is unappreciated and ignored by her husband.

The young Marta has made a break in her medical education to fully invest in her career as a model. We follow her for a day in her life, almost completely without hearing her voice. It is seldom that Marta gets the space to speak, instead she is mostly subject to the voice of others.