A giant alien mosquito-type insect is drawn to earth from the CO2 pollution in search of blood. Del, a government agent, loses loved ones to the creature and is on a personal vendetta while the Dr. Kempler is captivated by it and attempts to help the creature cleanse the earth.
A lovable dog named Bandit starts stealing cash to help his adopted family, he unwittingly sets them on a collision course with his dangerous ex-partner.