Watch Chicago Fire Online: Season 6 Episode 21

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What did Rene Royce want?

That was revealed on Chicago Fire Season 6 Episode 21 as Severide was shocked to the core by her arrival at the firehouse. 

Meanwhile, Casey came up with a plan to help Boden in his latest pursuit of a suspect. 

Also, Kidd regretted what happened between her and Severide, but did the addition of Rene complicate matters?

Finally, Herrmann and Colannino went to war of their son's basketball team. 

Use the video above to watch Chicago Fire online right here via TV Fanatic. 

Get caught up with all the latest from the characters right now. 

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

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Chicago Fire Season 6 Episode 21 Quotes

So I'm thinking, who is the smartest, most knowledgeable firefighter with just enough rugged good looks who could sway a jury?

Renee

Mouch: I thought you swore off kids sports forever after that hockey fiasco a few years back.
Herrmann: The kids are never the problem. It's the parents.
Sylvie: Do you include yourself in that?