Ichabod Crane awakes from the throes of death 250 years in the future where he must solve a mystery dating back to the founding fathers. Due to a blood spell cast on a battlefield during the Revolution, the infamous headless horseman is revived along with Crane, and the murderous rider embarks on a bloody rampage in present-day Sleepy Hollow. Ichabod realizes that he must act quickly, for the headless horseman is only the first of the Four Horsemen of the Apocalypse. Detective Abbie Mills, a woman familiar with supernatural experiences, forms a bond with Crane as they try to stop an increasingly vicious cycle of evil.
Dreyfuss finally garners enough power to infiltrate the White House, and his group of minions grow strong enough to take action. Can Team Witness stop Dreyfuss in time?
With a glimpse into the dystopian world that could be if Dreyfuss comes to power, the team learns more about Lara. Knowing what is at stake, can Team Witness put a stop to the billionaire mad man before it's too late?
When a mysterious woman finds her way into the vault, the team struggles to understand who she is and with whom her allegiances lie. Meanwhile, Alex must come to terms with her complicated feelings when she finds herself in a tight spot. Can Team Witness handle what might be revealed?
When one of Diana's mentors is targeted by a horrific monster, she decides that the team must channel all of their power toward stopping Dreyfuss. Meanwhile, Dreyfuss and Jobe have a breakthrough on a project of which Team Witness may not yet be aware.
When a monster appears that resembles Molly's childhood imaginary friend, Diana realizes her daughter's life as a Witness will be anything but normal. Meanwhile, Molly gets her chance to see the vault for the first time.
