(Art thanks to a fine artist at DevianTart.)
This might count as setlock, this synopsis from Den of Geek -- but it may not be. Definitely possible spoilers inside!
#Sherlock 3: #TheEmptyHearse synopsis | Den of Geek http://t.co/a4hMJjL4BC via @AddThis #SherlockLives
— BineM (@magischeswort) November 29, 2013
No, I haven't read it, so I'm guessing. Despite how much setlock I've seen, I'd really rather NOT be spoiled. So if you click and are spoiled, your curiosity did you in, my dears!