Three men are planning a balloon ascent into the stratosphere. During the balloon flight, complications arise, the balloon is driven out to sea and the men face death.
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Character: Prof. Dr. Ernst A. Gruber
Character: Susanne Gruber
Character: Ellen Gruber
Character: Harry Altenberger
Character: Martin Altenberger
Character: Dr. Thomas Robertsen
Character: Character Not Available
Character: Character Not Available