Mighty fall(Sherlock/Johnlock)

Amazing how by one wrong choice your whole world can fall apart. This is a choice that Sherlock knows to well. He had been expecting to met him and talk but he did not know what he was going to do next and know someone else is paying for Sherlocks mistake.can he fix it and help or will the events show the world that Sherlock is not the clever man the whole world knows but a young scared boy who needs someone to show him the real world in the worst situation of Sherlocks life. Will he loose his best friend or save him because John would know what to do but John is the one who is needing help.