More malefaction, malevolence, and misdeeds rise to the surface as Holmes investigates. A complicated string of clues leads him to a ring of corrupt cops with a deadly agenda.

The Missing Mariner

A priceless painting, a long-lost brother, and Flynn. The only thing they seem to have in common is that they’re all missing. That is until Sherlock takes a closer look and uncovers a sordid scheme.

Powder Island

An unforeseen blast at England’s largest gunpowder factory sets off a chain of events that puts one of Sherlock’s allies in mortal peril, and reveals a powerful and complex new enemy who will stop at nothing to avoid being caught.

Murder at the Royal Observatory

Holmes and Lucy are summoned to help investigate the bizarre and macabre death of a Royal Observatory employee. The case takes the Baker Street team deep into a strange and secretive new world, and puts one of their own in grave danger.