What was in the surprise package?
That was addressed on Chicago Fire Season 6 Episode 20 when Boden and Severide saved a young girl and they were shocked by a package being dropped off linked to the fire.
Meanwhile, Brett struggled to keep quiet about Cruz shacking up with his married high-school sweetheart.
Also, a crisis brought Bria back into Dawson's life, but was it for the long haul?
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Get caught up with all the latest fiery situations the characters find themselves in.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.