You can't escape the desert.

You can't escape Sundial.

All Rob wants is a normal life. And she almost has it: a husband, two children, a nice house in the suburbs. But Rob is worried about her eldest daughter, Callie, who collects small bones and whispers to her imaginary friends. Rob sees something dark and malevolent in Callie, which reminds her of the family she left behind. She decides to take Callie to her childhood home, Sundial, deep in the Mojave Desert. And there she will be faced with a horrific decision.

Callie is worried about her mother. Rob has started looking at her strangely and talking to her about secrets from the past. Callie begins to fear that from Sundial, only one of them will leave alive…

Mother and daughter embark on a dark, lonely journey into the past, hoping to save their future.