Lucifer and Chloe investigate the murder of two victims, who happen to be Lucifer’s ex-flames.

Sam and Dean must stop Rowena, who is on a deadly mission. Meanwhile, Castiel looks to heaven to recruit angels for an impending invasion but is shocked by not only…

While working on a case involving the ghost of a demented doctor, Sam and Dean get assistance from an unexpected source – Billie. Castiel finds his way back to the…