The Addams Family

While fishing by the river, two brothers accidentally discover and bring home a nest of strange eggs. Upon eating them, they unknowingly break a village taboo, triggering a vicious retaliation from a mysterious creature hiding deep in the mountains. Their dog and goose are killed in gruesome fashion, followed by eerie climbing marks, translucent slime, and strange noises at night. The entire family plunges into endless terror. With the help of a village half-sage and a butcher, the brothers realize they have encountered not just a wild beast, but a giant python that has awakened its intelligence.