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 .
: The LAPD takes Callen into custody immediately. NCIS Los Angeles - Season 3Eps23
The High Stakes of Revenge: A Look Back at NCIS: LA’s "Sans Voir" The episode begins with an undercover case gone
"Sans Voir" was a turning point that changed the show’s DNA. It moved away from being just another crime-of-the-week show and leaned into the deep, often dark, psychological history of its lead characters. It forced the audience to ask: how far can a "good guy" go before they become the villain? The High Stakes of Revenge: A Look Back
: 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