Who stole a firehouse lockbox key?
On Chicago Fire Season 7 Episode 15, a string of robberies were committed and the only link to Firehouse 51 was the box.
Voight was quick to hurl accusations around the firehouse with him taking aim at one of the firefighters.
Boden had to agree to allow one of his own firefighters to go undercover to sniff out the culprit.
Cruz was given the vote of confidence, but did he tell the truth or did he find a way to conceal it?
Elsewhere, Casey continued to complain about his living arrangement.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.