After a mudslide devastates the neighborhood of Winston Hills, no one
expects it to get worse. When fifteen-year-old Greyson Bennell joins the
volunteer cleanup effort, he thinks he'll excavate some belongings and
head home. But when his best friend Trevor goes missing, Grey starts to
realize that the people around him are acting strangely . . . and it
might have something to do with the mud that surrounds them.