Sleepy Hollow: Season 1, Episode 4

1 - 4:

Lt. Abbie Mills and Ichabod Crane search for Abbie's estranged sister, Jenny, who has escaped from a Sleepy Hollow psychiatric hospital. In a game-changing episode, which includes flashbacks to the real Boston Tea Party, Abbie and Ichabod discover more about the evil they are facing... and finally learn its name.