A modern-day interpretation of Sherlock Holmes' most famous enemy, and the story of how he met his loyal partner in crime. When ex-SAS security consultant Sebastian Moran runs afoul of a rich and powerful corporate client, he's thrown into the path of a brilliant hacker named Jay Moriarty. To survive, both of them must work together to unravel the secrets of Bruce-Partington Aerospace and take down its corrupt CEO, Sir James Walter.