Duct Wars: The Silver Enemy(2000)

Duct Wars: The Silver Enemy is a sci-fi action film that follows two retired agents, Juan Zi Nobie and Dantin, as they hand over their duties to younger operatives Christo and Katano. When the Masked Empire hires a freelance assassin to eliminate the Silver Alien—a key ally to the Ductorians—the rogue assumes his identity to orchestrate an invasion from within. The new agents must navigate a dangerous landscape of deception and espionage as they uncover the conspiracy threatening their civilization. With the lines between friend and foe blurred, Christo and Katano face their greatest test yet in a war that challenges everything they've been trained to believe.