In this zany Czechoslovakian comedy, a scientist invents a machine that projects a sleeping person's dream on a screen. The trouble begins when she tries the contraption out on her husband and discovers his dreams are filled with cartoon-like characters doing outrageous things. Naturally, the scientist is quite shocked. Believing that such frivolous fantasies just won't do, she tries to manipulate his dreams. Disaster soon follows when the machine malfunctions and the dream characters become very real.