Let it burn. Let everything burn. One day Cerys walks out of her comfortable life, never to return. Standing on a hillside at night with no phone and no possessions, watching her car set alight, she believes this is the end. And then Lily walks into her life. Lily is desperate for a new start for herself and her child. More than that, she knows she has to disappear in order to keep them both safe. The two women strike a fierce bond, and are both running from things that soon threaten to catch up with them. Can these two women keep each other safe... Can they trust each other ? Or are the pasts they've escaped too much for either of them to bear? A deeply emotional and complex thriller that explores motherhood, love and the desperate need to protect it... at any cost.