"Can even Superman stop the unstoppable creature called Doomsday? If the assembled might of the JLA can't do it, what hope does he have?"--Page 4 of cover.

"There's a new kind of crisis threatening the heroes of the DC Universe, ripped from real-world headlines by CIA-operative turned comics writer Tom King: How does a superhero handle PTSD? Welcome to Sanctuary, an ultra-secret hospital for superheroes who've been traumatized by crime-fighting and cosmic combat. But something goes inexplicably wrong when many patients wind up dead, with two well-known operators as the prime suspects: Harley Quinn and...