Sherlock - Masterpiece

S3: Louise Brealey on Fans and Social Media

Video duration: 1:23

What's it like when every moment on set is fodder for social media? Find out from Sherlock star Louise Brealey (Molly) in this interview. [See the Sherlock Season 3 finale Sunday, Feb. 2, 2014, 9:58pm ET on MASTERPIECE on PBS.]