Flesh Eater

The movie starts with a group of kids taking a hayride in the country on Halloween. They pay the local farmer to take them to a secluded area of the forest. The kids arrive and begin drinking, telling the farmer to come back after dark to pick them up. As the party wears on the group separates to find their own little love nests, Meanwhile the farmer has stumbled across a large tree stump which he proceeds to remove with the help of his tractor. Under the stump is a large wooden box with an ancient seal telling not to break open the box. The farmer breaks the seal and opens the box. Inside is the Bill Heinzman "Flesheater" who precedes to eat the farmer making him a zombie in the process