The film deals a mad doctor(Strother Martin),his former helper has disappeared and he asks to University professor(Richard B. Shull)a student. A young man called David (Richard Benedict)looking for employment is hired by the scientific.The doctor works a secrets experiments on snakes.Meanwhile David falls in love with his daughter(Heather Menzies).Then the ¨mad doctor¨ injects him a serum into becoming a King Cobra snake causing a horrible transformation.

The motion picture packs horror,romance,shocks and is quite entertained. In the film appear known actors from the 70s and 80s as Dick Benedict(¨Galactica Battlestar,A Team¨),Strother Martin(Peckimpah’s usual player:¨Wild bunch¨),Heather Menzies(Robert Urich wife and little girl actress in ¨Sound of music¨)and Reb Brown(a beefcake who played many hunk men vehicles). John Chambers provides a deliriously imaginative make-up ,he won an Academy Award by the classic ¨Planet of Apes¨and made the sequels among others films(Phantom of the paradise ans Island of Dr. Moreau).Executive producers are Richard D. Zanuck and David Brown ,short time after they produced the successful ¨Jaws¨to Steven Spielberg. The motion picture is well directed by Bernard L. Kowalski who worked with Roger Corman.Slick film aimed at youthful audiences and terror lovers.