Brother
Sherlock discovers that Richard Brook is, in fact, Jim’s twin. Unfortunately so does Mycroft. Richard is in trouble. But Jim doesn’t care… right?
Richard
Sebastian thinks that he is seeing a ghost at Jim’s funeral.
yoohoopuddin-deactivated2020062:
Twin AU. Three years after the fall, Sherlock has returned. But it appears - Jim has not. A man, claiming to be the infamous Richard Brook, turns up at their doorstep - still mourning the loss of his dead brother.