Something horrible happens to Sherlock. Can John save him in time behind the clock face of Big Ben?
"Where on God's green earth are we?" "I have no freaking-"I stopped, as realization hit me. "Merde." "What? When you swear, Eva, either something is very wrong. So spill." Her greenish-blue eyes wide, in near panic. "I think," I swallowed, "I think, we're in Middle Earth."