James Moriarty - the greatest criminal mind that the world has ever seen… Sherlock and John knew he wouldn’t stay hidden for long. But even they never guessed the sheer scale and audacity of the crime that would propel Moriarty back into the headlines. The crime of the century. The Tower of London, the Bank of England, Pentonville prison – all sprung open on the same day as if by magic! But Moriarty's plans don't stop there… Sherlock and John lock horns with their old enemy in one final problem that tests loyalty and courage to their very limits. Sherlock must fight for his reputation, his sanity and his life. But is he all he claims to be? Prefer more Raw viewing? The second installment of this series can be seen on RTE1 at 9.30pm.