As the gang hatches an illicit scheme to get to the bottom of the deep-sea mystery, John B confronts Sarah while Pope jumps at the chance for revenge.

As the gang hatches an illicit scheme to get to the bottom of the deep-sea mystery, John B confronts Sarah while Pope jumps at the chance for revenge.

Tom leads the search for Rachael, as her situation becomes increasingly dire; Maggie and Dr. Ward make a series of unexpected discoveries.

After the mysterious death of an art restorer at the Sleepy Hollow Historical Society Soiree, Ichabod and Katrina are reminded of a dear friend from their past – Abigail Adams….