When a boy with a terrible secret moves to town there is a sudden increase in dust storms, and asthmatic Avalyn theorizes the storms are linked to his emotions and tries to help as she struggles to breathe.
While using a public library computer to find help for her mother who is addicted to pain medicine, twelve-year-old Jolene witnesses a friend's live-streamed crash-landing in the Arizona desert and embarks on a journey to rescue her.