Un policier new-yorkais enquête sur une série de meurtres inexpliqués qui semblent avoir été commis par des animaux.

After the huge financial and cultural success of WOODSTOCK (1970), filmmaker and political activist Michael Wadleigh spent many years in Hollywood writing scripts that were never produced. However, WOLFEN (1981), his only other major motion picture, was. After that he would never complete another feature film again. This is the story of that film.