FIC: Masked Ball. 4/11.(H/W)

[waid]

Six months after Holmes’ return from the dead, the delicate equilibrium in Baker Street is disturbed when a stranger walks out of the London fog with a case – for Watson. Holmes is wary, Watson is fascinated. But who is the man calling himself Álvaro de León? And what does he really want?

Chapter 1, Chapter 2, Chapter 3, Chapter 4