A private investigator accepts a woman's payment to prove it rained on a clear night. A municipal road cleaner remembers wet streets that the weather office denies, and their search uncovers a carefully staged accident whose most useful witness has been washed out of the records.
In 1904, a factory fire inquiry turns on which way the wind was blowing. A roof repairer knows the official weather vane has pointed the wrong way for years, and a court interpreter helps her prove why every respectable witness suddenly remembers a different breeze.