Out for a trek on the moors, Susan and Becky befriend another hiker. But long-buried secrets soon plunge the women into a twisted fight for survival.
Still mourning the death of their son, Mark and Jessie welcome foster child Cody into their lives. Soon they discover he has a strange ability.
A man buys a young girl, code-names her "Doll" and sends her to live with a mother of two who has a mysterious mission to be fulfilled.