When his wife died on the battlefield, Cal, the most powerful mutant alive, retired to protect their son, Scott. Now he lives as a lumberjack and believes Scott is safe at Whitford Academy, a prestigious school for young mutants. Instead, Scott's classmates torture him with their powers and the headmaster secretly runs painful experiments on him, thinking his father is just a hillbilly. When they try to boil Scott alive, Cal unleashes the full might of his mutant powers to save his son and destroy his abusers.