Scott Michael Morgan

Agent Emily Prentiss is assigned to the unit as the team looks into two serial killers who seem to be competing against each other.

A young woman clings to life after a brutal attack, leaving the surgical staff optimistic. Meredith puts her career on the line to save a newborn in the hospital nursery.

Ted goes out of his way to keep his sister out of trouble when she comes to visit; Marshall introduces Robin to a Minnesota-themed bar.

Leslie and Andy fight the flu as they book performers for Pawnee's Unity Concert; Tom searches for a sommelier for his restaurant; Ben looks to Ron for advice.

Nick and Hank find a mysterious woman interfering in their case. Meanwhile, the cursed coins resurface.

The NCIS team suspect Gibbs' arch-nemesis is behind an explosion, but Gibbs elects to sit out the investigation in order to help a grief-stricken Fornell, whose life is on the verge of imploding following his wife's murder.