An unexpected arrival threatens to tear Dorothy and Sean apart, leaving Leanne defenseless.

A local celebrity asks Frank to make an exception to the NYPD age limit; an encounter with an old rival leads Erin to look into an alleged wrongful conviction; Jamie…

Gordon takes Dr. Leslie Thompkins to the circus, but the day turns quickly when the circus comes under attack. Then, Falcone enlists Butch Gilzean to help Penguin with the nightclub,…