Washington State follows investigator David Paulides as he examines a series of unexplained disappearances in and around Mount Rainier and Olympic National Park, where hikers, climbers, and experienced outdoorsmen vanish without tracks, scent trails, or clear cause. Through interviews with families, witnesses, and search personnel the film contrasts known environmental dangers - severe weather, terrain, and hypothermia - with unsettling anomalies. Some of these include aircraft debris fields, un...