Seventeen-year-old Molly Kahn has spent much of her life being the stable one, tiptoeing around her mother's fragile moods to keep things copacetic.

When her mother begins dating Patrick, a police officer whose perversion of faith serves a much darker agenda, the walls of their tiny Philadelphia apartment begin to close in. From the get-go, Patrick's keen interest in Molly and her beliefs is incredibly unsettling. His uncomfortable presence and demands for obedience make her skin crawl. Encroaching more and more on the Kahns, he slowly begins to erase the life that Molly knows.

When the psychological games turn into a living nightmare, Molly is whisked away to safety by the only people who can help.

Phil Levitansky has spent a lifetime training his son, eighteen-year-old Ezra, in the art of protection. From Krav Maga to high-tech surveillance, it has all been for one purpose: to defend the innocent.

With a gentle presence that defies his fierce, tactical, core, Ezra becomes the shield Molly didn't know existed. From the quiet trails of Peninsula to the streets of Philadelphia, Ezra and his father will do whatever it takes to protect her.

But Patrick isn't a man who lets go, and he will cross every line to reclaim what he believes is his.

As her past threatens to collide with her future, Molly must find the courage to reclaim her life alongside the one who would throw gas and strike a match on the entire planet to keep her safe.