Erin Breen

Richard lets his ego get in the way at an interview; Dinesh, Gilfoyle and Jared misplace hardware; Erlich pitches his plans to Big Head.

Chief Boden turns up the pressure on Severide and Casey to investigate the cause of the fire that trapped his wife; Mouch is over-competitive in the firefighter muster challenge.

Severide and Kidd continue to investigate Benny's old arson case; unexpected news leads Brett to ponder a big decision; all hell breaks loose.

Casey is unable to save a woman trapped in a burning house; Herrmann is determined to catch a mysterious tagger that targets the firehouse; Boden has an unexpected visitor; a teenager is injured during a romantic proposal.

Dawson faces repercussions after she hits a pedestrian with the ambulance en route to a call; Casey and Severide continue to investigate an arson case; Chief Boden must decide whether to attend an important event in New York.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.