Sherlock and Watson are plunged into a case of blackmail involving crafty dominatrix Irene Adler, whose motto is "know when you are beaten." It seems she has incriminating photos of a session with a British royal. Can she outsmart Sherlock at his own game? And at a battle he is ill prepared to wage — love?
"Sherlock II: A Scandal in Belgravia" airs on Masterpiece Mystery! on Sunday, January 12th at 9:00 p.m. on channel 3.