When pictures fall out of a rain-soaked envelope as Chelsea Waters is delivering mail on her route, she sees one of her postal patrons tied to a bed, sporting a black eye. Knowing that the woman’s husband is out of town, and convinced that the woman has been kidnapped, she decides to find her and somehow rescue her.
When Chelsea’s neighbor Jack, an FBI agent on leave with a broken arm, accidentally sees the pictures she copied of the woman, he insists on helping her.
As she bumbles through clue after clue, things get more bizarre, and even dangerous. However, her stubborn nature will not allow her to quit. The mail must go through, and Judy Richardson must be saved.