The year is 1899 and London is experiencing a crime wave. To help with their case load, Scotland Yard has called in some of the best detectives around, each assigned their own mystery to solve using the clues at hand. In 13 Clues, players take on the role of Scotland Yard detectives trying to solve their own, unique mystery. They must identify the culprit, the scene of the crime, and the weapon that was used.