Chicago Fire

CHICAGO FIRE -- "Keep your Mouth Shut" Episode 215 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Keep your Mouth Shut" Episode 215 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Lauren German as Leslie Shay, Jake Weary as Vince Keeler, Joe Minoso as Joe Cruz -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Keep your Mouth Shut" Episode 215 -- Pictured: David Eigenberg as Christopher Hermann -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Keep your Mouth Shut" Episode 215 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Christian Stolte as Mouch, Joe Minoso as Joe Cruz, Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Keep Your Mouth Shut" Episode 215 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Keep Your Mouth Shut" Episode 215 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Keep Your Mouth Shut" Episode 215 -- Pictured: Christian Stolte as Mouch -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Keep Your Mouth Shut" Episode 215 -- Pictured: Jeff Hephner as Clarke -- (Photo by: Elizabeth Morris/NBC)