Grace and Jimmy investigate an old shooting range and he tells her about the missing money. Meanwhile, Mitch helps Grace gain entry into Santa Rita and Tom and Evie are told to move out for a few days.moreless
A series of mysterious murders in which victims have been drained of endocrine fluid lead Keira and Carlos back to Liber8, as they attempt to save their leader, Travis. Meanwhile, Liber8 member Kellog delivers Keira a gift in an attempt to make truce, a gift that puts hers and Carlos' lives in danger, and could result in Kellog's expulsion from the terrorists' group.moreless
The translucent shapeshifters return to plague Fringe division, and a former Massive Dynamic scientist is involved. Meanwhile, Walter meets with Nina Sharp.
Sam abandons Dean to investigate a case from his childhood that he thought he had solved: a demon that kills criminals and eats their brains.
The Leviathan possession of Castiel has devastating consequences which leads Sam, Dean, and Bobby back to Sioux Falls, Meanwhile, Sam puts himself and Dean in danger as he begins to crack under intense pressure from Lucifer's mind games.moreless