Three women in a post office, curious about a local resident, surreptitiously read a sealed letter addressed to him. Engraving by F. Bacon after H. Richter.

The postmistress and two other women in a provincial post office read a letter addressed to a guest at the inn, Mr Williams. The letter refers to him poisoning his wife. It turns out that he is writing a play in which the character of the wife is poisoned