The episode’s climax features a moment that divided the fanbase for years. In a public setting—surrounded by witnesses and news cameras—Callen shoots an unarmed Janvier in an act of pure revenge.

: The LAPD takes Callen into custody immediately.

Whether you're re-watching on Paramount+ or catching up for the first time, this episode is a masterclass in building tension and delivering a payoff that actually matters.

The High Stakes of Revenge: A Look Back at NCIS: LA’s "Sans Voir"

This shocking conclusion left viewers with a massive cliffhanger:

: Distraught by the loss of her agents and the actions of her protégé, Henrietta Lange leaves a resignation letter for Owen Granger. Why It Still Matters

The episode begins with an undercover case gone wrong that quickly spirals into a personal vendetta. Marcel Janvier, the brilliant arms dealer known as the Chameleon (played by Christopher Lambert), returns to Los Angeles with one goal: to dismantle Special Agent .