Night of Fear (1986)

The story revolves around Steve (Ian Roberts) a zoologist who does research on poisonous snakes with the help of his long time friend Thabo (Peter Se-Puma) Steve and his wife Katrien are newly weds and very much in love but Steve's dangerous occupation casts a shadow over Katrien's happiness and causes tension between them. Sonja an aspiring artist and Katrien's best friend visits the couple and seeks inspiration for her work form the beautiful rural surroundings but she also becomes aware of undercurrents that strike fear into her heart and a series of strange murders only feeds her anxiety and an unexpected discovery that will seal her fate.