A scientist who is working on developing a source of clean energy is found murdered. The list of suspects leads Kiera on a journey that takes her to a precarious…

With Simon being held captive at The Hotel DuMort, Clary pleads with Jace, Alec and Isabelle to help her rescue her best friend. As the team readies for the mission,…

Walter travels to the Alternate Universe to assist in the investigation of a Fringe event with ties to both worlds. Meanwhile, David Robert Jones reveals his next target.

In an effort to find a way home, Peter journeys to the Other Side to confront Walternate. However, his venture proves more dangerous than expected. Meanwhile, Olivia receives a dire…

Barry is tormented by his vision of the future where Iris is murdered by Savitar. When a criminal named Plunder shows up in Central City, Barry recalls the villain’s presence…

Sam continues to try to save Dean from the Mark of Cain. Realizing that Dean’s antics are causing problems for him in hell, Crowley seeks help from a reluctant Castiel.