Shapeshifting Snake Devil

) fell in love with him and became his assistant. Later, David learned that Stoner's former assistant had mysteriously disappeared. In order to prevent David from being poisoned by a snake bite, Stoner injected David with a mysterious serum before he started his assistant career, which David had no doubts about. Stoner has a beautiful daughter named Christina (Heather Menzies-Urich). After getting along day and night, the two young people fell in love. Many strange physiological reactions gradually appeared in David's body. Stoner comforted him and said that these were just normal vaccine side effects. One day, David saw a half-human, half-snake snake man at a freak show. His body changes were surprisingly similar to those that had happened to David.