A botched museum heist delivers unexpected consequences; Lucas, Carrie and Job renew their partnership.
Following the aftermath of the bombing at the Hump Bar, the wives struggle to put their lives back together.
When Mac's nemesis rigs Mac's house with explosives and traps him and Jack inside, Mac uses a karaoke mic and an audio transformer to let the team know that the bomb is a distraction for a bigger one.
Walker (Chuck Norris) tries to clear Trivette (Clarence Gilyard) after he is suspended by an old enemy (David New Nurse) following the accidental shooting of a 6-year-old boy.