When a woman's ex-husband takes their ailing son to an armed compound, Michael and Sam vow to bring him back to her. But the compound has more firepower than anyone was expecting. Meanwhile, Fiona and Jesse babysit an odd day laborer who may be connected to Max's murder.
Fiona and Sam track down Jacob Starky, a man linked to Max's murder, but Jacob turns out to be an unwitting errand boy and now his life is in danger. Fiona and Sam must save Jacob if they want to have any hope of finding out who's really behind framing Michael for murder.
While Michael tries to learn the identity of Jacob's employer, Sam introduces him to a terrified mother whose paranoid ex-husband won't return their son. Michael tries to reason with him, but the ex-husband flees with his son to anti-government compound run by violent extremists. To get the boy out safely, Michael and the team have to square off against a well-armed, trigger-happy militia.