01/30/2013 (10:00PM - 11:00PM) (Wednesday) : CHIEF BODEN TRIES TO REMEDY A SITUATION INVOLVING A SUSPECTED TEENAGE ARSONIST AND SEVERIDE MAKES AN IMPORTANT DECISION -Treat Williams GUEST STARS-A troubled Chief Boden (Eamonn Walker) goes to the police when a man dies in a hardware store fire set by Ernie (guest star Cody Sullivan), the troubled teenage firebug he's been trying to help, and his Uncle Ray (guest star Darrell W. Cox). Meanwhile, Severide (Taylor Kinney) decides on his future and reaches out to his father (guest star Treat Williams). Elsewhere, Otis (Yuri Sardarov) finds camaraderie when he fills in for a few shifts at the slowest firehouse in the city, and makes a decision of his own, while Dawson (Monica Raymund) and Shay (Lauren German) find themselves in a bad predicament during a call to a tenement apartment. Jesse Spencer, Charlie Barnett and David Eigenberg also star. Sarah Shahi, Kathleen Quinlan, Nicole Forester and Shiri Appleby guest star.