It's the hottest summer on record. The streets are shimmering, walking outside is like walking into a furnace, and yet, someone is still setting fires... Milwaukee homicide detective Ellie MacIntosh is called to an arson scene. She finds bewildered home owners, an unidentified corpse, and cryptic clues that lead nowhere. Is it a random killing? The ritualistic nature of the crime points to no, and Ellie fears that the already-oppressive summer is...