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.

• Junge-Union-Film
• Otto Gebühr
• Sybille Schmitz
• Cornell Borchers
• Will Quadflieg
• Hans Leibelt
• Ewald Balser
• Rolf Moebius
• Hans Paetsch