At the Sky Shadow village, the alarm sends warriors to the gates. Fallingstar, intent on joining the fight, bristles at Rockjumper's protective orders and overbearingness.

Sundog and Dr. Adams confer after Dr. Adams' energy blast knock out the menacing Headhunters.

Dr. Irving Adams sets off an energy burst to thwart an attack by a band of bloodthirsty Headhunters in the graphic novel TRIBES: THE DOG YEARS