#Watch Chicago Fire Online: Season 9 Episode 10

Who was behind a series of suspicious fires?

On Chicago Fire Season 9 Episode 10, lives were on the line when the gang investigated the mysterious fires plaguing the city.

Meanwhile, Mouch set out to make sure his long-awaited dream was in line to come true.

Elsewhere, Casey continued his way down a troubled path, leading to questions from his peers about his future.

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.