What happened to John Miller?

Ignoring the admonitions of locals, journalist John Miller heads out alone to explore the remnants of Buffalo City, once the busiest town in the area but now merely a pile of dilapidated ruins amidst the encroaching swampland. Are the tales of strange apparitions and deadly encounters merely musings from tale-telling old timers, or will Miller uncover something darker, something that may cost him his life?