Elementary S04E19 - All In
Elementary (2012)
S04E19 All In
Episode Overview
A mysterious woman shows up at Holmes and Watson's door, claiming her life is at risk and that she used to work with Mycroft, Sherlock's brother, in organizing underground poker games. As the duo delves deeper into the situation, Joan starts to doubt the woman's honesty and suspects that she may not be telling the whole truth.