"We had it pretty well fleshed out and knew we were playing to strengths," Reggie Dinkins' show runner says.

Tracy Morgan is back, and he brought Daniel Radcliffe with him.

Stuck on Easy, Medium, or Hard? We have everything you need right here.

"Set a year after series one," it reads, "we see former detective Huw (Jason Watkins), who, after surviving a brutal stabbing, believes he has finally escaped the psychological grip of serial killer ...