In cases ripped from the headlines, police investigate serious and often deadly crimes, weighing the evidence and questioning the suspects until someone is taken into custody. The district attorney's office then builds a case to convict the perpetrator by proving the person guilty beyond a reasonable doubt. Working together, these expert teams navigate all sides of the complex criminal justice system to make New York a safer place.

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.

Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna, Aria, and Emily — whose clique falls apart after the disappearance of their queen bee, Alison. One year later, they begin receiving messages from someone using the name "A" who threatens to expose their secrets — including long-hidden ones they thought only Alison knew.

Teenagers Nancy, Quentin, Kris, Jesse and Dean are all neighborhood friends who begin having the same dream of a horribly disfigured man who wears a tattered sweater and a glove made of knives. The man terrorizes them in their dreams, and the only escape is to wake up. But when, one by one, they start dying violently, the friends realize that what happens in the dream world is real, and the only way to stay alive is to stay awake.

As a killer named Cinderhella stalks the student body at the high school in Grizzly Lake, a group of co-eds band together to survive while they're all serving detention.