Check out the official guide of Chicago Fire episode 15 "Nazdarovya", due to air on Wednesday, Feb. 13 on NBC.
DAWSON PUTS HERSELF IN DANGER TO HELP HER BROTHER—--
- 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.
- Herrmann (David Eigenberg) and Otis (Yuri Sardarov) learn some hard truths about their "silent partner" in the bar.