In "Kitty The Killer," skilled teen assassin Dina and mentor Keng face a betrayal by their organization. Keng recruits ordinary office worker Charlie, making him the "Grey Fox Guardian" to protect Dina. Together, they confront dangers of the assassin world, uncover a perilous plot, and must halt the organization's sinister scheme. The story combines action, stunts, and a strong bond between Charlie and Dina for an electrifying thrill ride.