"The Adventure of the Cardboard Box" by Arthur Conan Doyle is a short story first published in January 1893. When Miss Susan Cushing receives a parcel containing two severed human ears preserved in salt, Scotland Yard dismisses it as a student prank. But Sherlock Holmes sees evidence of a darker crime. Through careful observation and deduction, he uncovers a tragic tale of jealousy, betrayal, and passion that connects the gruesome package to a doomed marriage and a vengeful scheme gone terribly wrong. (This is an automatically generated summary.)