Los Angeles, the late 1970s: Jess Shepard is an installation artist who creates environments that focus on light and space, often leading to intense sensory experiences for visitors to her work. A run of critically lauded projects peaks with Zero Zone, an installation at the former site of nuclear bomb testing in the New Mexico desert. But what begins as a vehicle for healing, soon becomes the flashpoint for a violent confrontation between a small group of fanatics experiencing what they perceive as a religious awakening within Zero Zone and the authorities