Mr. Thurman, the neighborhood grumpy old man, is tired of the Home Owners Association telling him how to cut his grass. After a call from the HOA, He gets into a brooding rage and goes outside to cut his grass. After getting wet from sweat cutting his grass. He plugs in his weed whacker and gets shocked to death. His soul is transferred to the weed whacker and goes on a neighborhood killing spree. After killing some people he returns back to his house. Dale the mail man, An average Joe, who saw the weed whacker killing a couple, drops off some mail for Mr. Thurman. Mr. Thurman as the weed whacker returns home and Dale and him have a battle to the death.