Mary Beth Latham is first and foremost a mother, whose three teenaged children come first, before her career as a landscape gardener, or even her life as the wife of a doctor. Caring for her family and preserving their everyday life is paramount. And so, when one of her sons, Max, becomes depressed, Mary Beth becomes focused on him, and is blindsided by a shocking act of violence.

When they were twelve, Ash fell from Solomon's tree house. She's lost all memory of the events leading up to the fall but since then Solomon has retreated further and further into a world that he seems to have created in his own mind. One that insulates him from reality, but crawls with foes and monsters, in both animal and human form. As he slips further into the place he calls Darkside, Ash realizes her only chance to free her best friend from his...