The Alibi Theory of Sherlock Holmes

There's gonna be a way in which the show a series four is explained without being us being told. Sherlock needs to figure out what's really going on and so we're probably at some point in the first episode I don't know if it'll be right away or not but he's gonna have to deduce something. Maybe they'll blend reality with reality in him figuring it out and then that will lead to the real world where he's solving what happened. There's got to be multiple rock pole moments and whatever the case is in series four like Mary John some sort of covered up murder mystery suicide whatever is gonna be solved  I'm not solid on this theory because there's many