The Twist: Vulture Squad discovers that the missing Green Beret platoon was not wiped out by enemy forces, but devoured by dinosaurs brought through temporal rifts caused by a secret Soviet particle-collider experiment headed by General Grigory Borodin.
The Soviet Facility & Sofia's Reveal: Separated from the team, Sergeant Baker and rookie Leon Verne are rescued by Sofia Wagner, a Soviet paleontologist hiding in an abandoned research post. Sofia reveals that General Borodin murdered her husband and fellow researchers when they tried to shut down the unstable machine.
The Climax: Vulture Squad, Sofia, and defecting Soviet soldiers launch a final raid on the mountain facility where Borodin is attempting to restart the collider. Chaos erupts when Soviet guards kill an infant Tyrannosaurus, causing the angry adult pair to rampage through the base.
Sacrifices: Squad members sacrifice themselves—including Miller, who detonates explosives to kill enemy combatants and himself, and Stovall, who holds off a pack of Deinonychus. Baker holds the line while Sofia deactivates and demolishes the particle collider.
The Ending & Hidden Meaning: Baker, Sofia, and the few remaining survivors manage to extract. Colonel Jericho is furious that the experimental technology was destroyed rather than captured. However, Sofia delivers a chilling final warning: destroying the collider only stopped new temporal rifts—the dinosaurs already brought into Vietnam are alive, breeding, and adapting to the jungle, meaning the prehistoric ecosystem has permanently merged with the modern world.