Bonded to investigative journalist Eddie Brock, the alien symbiote Venom thrives in the shadows—until a new and even deadlier threat emerges. Cletus Kasady, a psychotic serial killer, becomes host to a chaotic and bloodthirsty symbiote of his own: Carnage. As Kasady unleashes destruction, Eddie and Venom must navigate their uneasy partnership and embrace their dark side to survive the ultimate battle of monsters.