When 13-year-old Matthew disappears from church, the teams spring into action. Gabi endeavors to keep the divorced parents focused on the search. Gabi is forced to make a devastating choice. Lacey makes a keen observation about Gabi.

When Gabi takes the case of a missing man on behalf of his mother, it causes disagreement among the team. Gabi's dogged pursuit of the truth leads to a shocking revelation.

Gabi and the team revisit a previous case involving child trafficking, and their heated investigation leads them in a shocking direction. Gabi confronts Sir about another one of his possible victims.