When Reynolds heads to D.C. to discuss developments in the Nevins case, Abbie is left in command. Jenny and Joe deal with unexpected consequences as a result of stealing the shard, which leaves both the lives of the heroes and Abbie's career in great peril. Meanwhile, a new, more dangerous evil force is revealed.

When the team realizes that the talisman which Dreyfuss seeks might be hidden in the most obvious of places, they race against the clock to find it before the evil forces are aligned. Then, with heightened emotions and bittersweet memories, Jenny and Crane revisit important parts of their past as they return to Sleepy Hollow.