Haunted by his brother Mitch’s disappearance and his family’s public exile, FJ returns to the country town of Nannup after mysteriously receiving Mitch’s long-lost diary, convinced it’s a cry for help. Teaming up with Mitch’s ex-girlfriend Hedy, they venture into the foreboding South West forest, following cryptic clues and facing the looming threat of a legendary killer BIG CAT.

As they uncover an abandoned US military base, secrets of wartime experimentation and a revelation about Mitch’s fate come to light. With danger at every turn, FJ and Hedy must navigate an urban legend come to life, battle a hunter desperate to keep the Big Cat secret safe and confront painful truths to find liberation from their relentless pursuit of the past.