When Sherlock Holmes and Murphy Oswald fake they're deaths they must go under cover to break Moriarty's network. During these 2 years they find themselves becoming more than friends and falling for each other. They're inseparable, practically made for each other. When its time for Sherlock to return to 221b baker street he doesn't want to leave Murphy and Murphy doesn't have anywhere to go, so they return to London together. What will everyone back home think of Murphy?