British zoologist Edward Wardell and his beautiful assistant have come to northern California in search of the Sasquatch, America's version of the abominable snowman. Clint Adams thinks they're crazy—until he sees one himself! He hires on as Wardell's troubleshooter. With a pair of bounty hunters on his tail and hostile Indians waiting to pounce, the Gunsmith is faced with the most bizarre challenge of his life as he tries to outwit an inhuman opponent!