On a hot summer days, two people make their way to a quiet town on the wild Northumberland coast. Sixteen year old Verity is coming home from school. Ex-soldier Castle, is drifting. Their paths never cross, but their lives become intertwined. When Castle's dead body is washed up on the coast and Verity's father Jim is tasked to lead the police investigation, Verity must confront er father' secrets surrounding his time in Iraq. Secrets which may tear her family apart.