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.

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.