Premieres Monday, April 30 10/9c
Season 4: Episode 14 - Who Is That Masked Man?
Posted on Feb 26, 2016 03:00am

When Holmes’ investigation into the attempt on Morland’s life pushes their strained relationship to the breaking point, the identity of Sherlock’s mother is revealed. Also, when three gang members are murdered, Holmes and Watson are amazed when an elderly woman emerges as their prime suspect.