Sierra is the ghost of Wall Street—an independent day trader whose precision is terrifyingly inhuman. But behind her cold, calculated moves lies a biological secret: "Heat Sensitivity." When her cycle hits, her senses sharpen to a razor's edge, allowing her to see the "pulse" of the market before the numbers even move.
One anomalous billion-dollar trade during a peak heat catches the eye of the one person Sierra can't manipulate: Artemis, the ice-cold, high-ranking Alpha investigator from the SEC.