A group of friends from Boston who feel stuck in life experience an unexpected wake-up call after one of their friends dies unexpectedly.

Explorer Bruce Wayne accidentally unleashes an ancient evil, and returns to Gotham after being away for two decades. There, Batman battles Lovecraftian supernatural forces and encounters allies and enemies such as Green Arrow, Ra's al Ghul, Mr. Freeze, Killer Croc, Two-Face and James Gordon.

Bruce Wayne faces a deadly menace from his past, with the help of three former classmates: world-renowned martial artists Richard Dragon, Ben Turner and Lady Shiva.

An American Ambassador is killed during an attack at a U.S. compound in Libya as a security team struggles to make sense out of the chaos.

After Portland homicide detective Nick Burkhardt discovers he's descended from an elite line of criminal profilers known as "Grimms," he increasingly finds his responsibilities as a detective at odds with his new responsibilities as a Grimm.