Chicago Fire “Nazdarovya” episode 15 airs Wednesday, Feb 13 2013 on NBC (10-11 p.m. ET).
Episode Synopsis: Dawson (Monica Raymund) attempts to help her brother Antonio (guest star Jon Seda) unravel the details of his drugs-and-gang investigation, and goes behind his back in turning to an unlikely source for assistance. Casey (Jesse Spencer) and his mother, Nancy (Kathleen Quinlan) struggle with their new relationship. Meanwhile, as a favor to Lieutenant Whaley (guest star Shane McRae), Severide (Taylor Kinney) visits someone important from his past, while Herrmann (David Eigenberg) and Otis (Yuri Sardarov) learn some hard truths about their “silent partner” in the bar. Lauren German, Charlie Barnett and Eamonn Walker also star.