Sergeant Annabelle Watkins has been murdered. The evidence all points to one of her fellow police officers being responsible — the cause of much embarrassment for Chief Superintendent Baxter.

Stuck at home with a broken leg, Sherlock Holmes must rely on just a few case files to solve the crime. But in the midst of a department cover up, getting the information he needs is not going to be straightforward.

Can you help Sherlock solve puzzles and uncover the clues to find the culprit?