Did Boden take a step too far?
On Chicago Fire Season 9 Episode 4, tensions mounted when he completed a task assigned to him by headquarters.
He made a startling connection that had a profound effect on him, making him question many things in his life.
Meanwhile, Gallo was forced to make a surprise rescue mission of their own in one of the most harrowing scenes in the series' history.
Elsewhere, Mouch felt like Firehouse 51 was too quiet so he reignited a wild feud that caused a huge division.
Use the video above to watch Chicago Fire online right here via TV Fanatic.
Catch up on all your favorite shows and reviews and join in the conversations with other fanatics who love TV as much as you.
TV Fanatic is your destination for the latest news, spoilers, reviews, and so much more!
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.