Sherlock BBC; Double the Holmes

3 Holmes+a drug smuggling disaster= a matter 'of national importance'. Rachel Holmes, long lost sister to perhaps the second most influential family in London, Sherlock Holmes an extraordinary man with some secrets, Mycroft Holmes, the British government and John Watson, the humble robin to Sherlocks Hat-man. What could go wrong with a national drugs issue, return of an old enemy and maybe a little opening of old wounds best left closed? Well that's for you to read on for!