Watch The Viper's Kiss for Free: How to Stream the Movie Online at 123Movies. . A story of sex, jealousy and revenge amongst women. Eva and Ellis are bound by an absolute and perverted love. They keep a secret with the help of Dr. Rausmann - the murder of Vincent, Eva's husband and Ellis' brother. Myriam, Vincent's sister, enters the picture and vows revenge by seducing the killers. She employs the most wicked bite known as The Viper's Kiss.