Chicago Fire "Under the Knife" episode 12 airs Wednesday, Jan 9 2013 on NBC (10-11 p.m. ET).
Episode Synopsis: Severide (Taylor Kinney) finally addresses Chief Boden (Eamonn Walker) about his injury and makes some important personal decisions about his future. Meanwhile, Casey (Jesse Spencer) struggles with family matters and Dawson (Monica Raymund) takes matters into her own hands when she discovers a young girl who is the sole survivor at the scene of a rescue call. Lauren German, Charlie Barnett and David Eigenberg also star. Sarah Shahi, Kathleen Quinlan and Nicole Forester guest star.