When the BAU track down an unsub that disfigures their victims, Rossi has an awkward visit from his ex-wife.
Gibbs and Fornell's crusade to find the head of the drug ring responsible for Fornell's daughter Emily's overdose comes to a climax; Gibbs and Vance finally let the team in on a case that has dangerous implications.
Kono must fight for her life after discovering a notorious criminal's identity; Adam's ties to his formerly corrupt family business leaves Kono feeling concerned.