Troy Winbush

Relief from the boredom of the night shift comes first in the form of card tricks, and then a dead body. Patrick Jane and the CBI team hit the horse track when a jockey is found murdered and suspects abound.

When Leonard and Sheldon find out that Professor Proton, the host of a TV science show they watched as children, can be booked for private parties, they hire him to come to their flat and entertain them.

Detective Jane Rizzoli and Dr Maura Isles team up to investigate a case when a baseball coach is killed.

Kidd recruits Carver, Capp and Tony to help prepare her new lieutenant's quarters; Severide and Det. Pryma reluctantly pair up to work a police investigation; Firehouse 51 comes together to fight a movie theatre fire.

Severide struggles with the cost of helping Det. Pryma with the Martucci case; Gallo campaigns for Herrmann to represent 51 at the National Firefighter's Association's Winter Conference; a familiar face makes a shocking return.

Det. Pryma's case comes to an explosive end with Kidd and Carver's lives in danger; Brett installs an infant safe surrender box at 51; Violet is determined to take Emma down.