Sandi Davies, a single mom and park ranger from Montana, takes a District Ranger position on the island of Kauai. Soon after arriving with her daughter, Sandi is faced with the gruesome deaths of two hikers — Their bodies discovered deep in one of Kauai's national forests.
When police blame the tragedy on wild boar, Sandi begins a search for her own answers. She soon discovers the details of an ancient curse, and learns it has gained power over the island. The two hikers are just the beginning! Sandi must now face her fears and stop The Darkness before everyone on the island rapidly meets a similar doom.