In the movie "High Tension" (originally titled "Haute Tension"), the truck driver is a character named "The Killer," portrayed by actor Philippe Nahon. He plays a menacing role as the antagonist who terrorizes the main characters, Marie and Alex, during their visit to a remote farmhouse. The film, directed by Alexandre Aja, is known for its intense horror and shocking twists, particularly concerning the nature of the characters and the plot's resolution.

In "High Tension" (originally titled "Haute Tension"), the twist reveals that the protagonist, Marie, is actually the killer. The film follows her as she attempts to save her friend Alex from a brutal murderer, but it is ultimately revealed that Marie has a split personality and is responsible for the violence. The events of the film are a manifestation of her fractured psyche, leading to a shocking conclusion where her duality is exposed. This twist transforms the narrative, shifting the viewer's understanding of the story and characters.

In "High Tension," a notable plot hole involves the twist ending where it is revealed that the main character, Alex, is actually the killer. Throughout the film, there are scenes that suggest the presence of a real external antagonist, leading viewers to question how Alex could have committed the murders while simultaneously being pursued. This inconsistency raises issues with the narrative logic, as certain events contradict the notion that Alex was solely responsible for the violence, undermining the film's overall coherence.

"High Tension" (originally "Haute Tension") is a 2003 French horror film directed by Alexandre Aja. It follows two friends, Marie and Alex, who visit Alex's family home, where they encounter a brutal killer. The film is known for its intense atmosphere, shocking violence, and a twist ending that redefines the narrative. Its title reflects the film's relentless suspense and tension throughout the story, making it a notable entry in the horror genre and a significant work in the New French Extremity movement.