A fall to a death results in another fall when the only suspect falls out of sight and goes underground to avoid the authorities; such action begun by an act of corruption in high places. High enough to precipitate a fall. While on the run from the police and the dead man's brother, the fugitive quickly discovers how difficult it is to exist outside his pattern of a conventional middle-class environment as he meets, amongst others, a short-order cook who writes romantic novels, a reformed dipsomaniac Professor and a lady taxi-driver. He finds romance with her by the riverside, another fall; into love, and eventually the villains, the perpetrators of the initial duplicity, receive their just deserts, or nearly so.