Charles goes undercover among gang members from his old neighborhood when it's discovered that they've been stealing explosives and weapons. Meanwhile, Tiffy gets hurt at work and Mack goes after her attackers.
|Brian Majestic||Guest Star|
|Christina Gianaris||Guest Star|
|Enver Gjokaj||Guest Star|
|Frankie Rodriguez||Guest Star|
|J. J. Dashnaw||Guest Star|
|Jarrod Bunch||Guest Star|
|Jorge-Luis Pallo||Guest Star|
|Jose Pablo Cantillo||Guest Star|
|Larry Bates||Guest Star|
|Nick Toren||Guest Star|
|Roberto Montesinos||Guest Star|
|Stana Katic||Guest Star|
|Yara Martinez||Guest Star|
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