She isn’t part of the BAU. She doesn’t want to be. One of the FBI’s most effective field profilers, she only joins Hotch’s team when a case demands it — and every time she does, tension follows. Sharp-tongued, elite, and unapologetically confident, she clashes with everyone. Especially Spencer Reid. But when she returns during the darkest moment of his life, something shifts. And the line between rivalry and something deeper begins to blur.