When a mysterious loner and Karate master Kenji's little sister goes missing in Los Angeles, whoever stands in his way of finding her will face the wrath of a lethal KARATE KILL!

Two amateurish hunters are attacked by creepy birds in the woods. Meanwhile seven delinquents are camping in the forest with their counselor in a program of reintegration to the society. Suddenly they are attacked by the birds and the counselor dies and one of the youngsters is wounded. The brutal Johnson imposes his leadership by force over the others while they are hunted by the birds. Meanwhile ranger Garrett finds one of the hunters passed out in the forest and takes him to the hospital.

A group of talented but rebellious 'rock-star scientists' find themselves in a race against time to save Earth when a comet makes an unexpected turn towards our blue planet where all life may cease to exist within days if our small town heroes fail to find a solution.