Patrick Roccas

Karl is called up to Seattle where he is reunited with twisted serial killer Tommy Cummins. With the hopes of finally bringing closure to the families of Tommy’s victims, Karl must piece together his sick puzzles. Back in Gibsons, Cassandra deals with council conflicts and an unexpected visit from her mother while the police squad struggles when one of their own is missing

In Arendelle, when the Snow Queen tries to pit Elsa and Anna against each other and it proves more difficult than she anticipates, she takes drastic measures. Meanwhile, in Storybrooke, Emma's powers are out of control and her fear of hurting loved ones pushes her away from everyone she cares about.

The Fringe teams on both sides fight for a common cause as the Cortexiphan children surface with some shocking new developments.

On the season finale Drill's mysterious endgame is put into motion and the team must do their utmost to stop it before it reaches its final, and possibly deadly, conclusion.