As a huge electrical storm sweeps towards Texas, lineman Beau Ginner is haunted by memories of his brother's death by lightning years earlier. Since that tragic day, he has raised his niece Bailey and risen to foreman of a lineman team. However, there is friction when Bailey's on-off boyfriend Duncan joins the crew, while another new recruit is hiding PTSD symptoms. Beau and his team are soon putting their lives at risk in a race to replace miles of power cables to keep the electrical grid runni...