Murder and mystery shroud Crimson Heat, a secretive BDSM club on the outskirts of Chicago. Given the opportunity to go undercover as a Dom to flush out a killer, officer Dallas Whitten jumps at the chance, not that being a Dom is anything new to him. Crimson Heat public relations advisor, Taryn Lenox, spends her time coordinating events to bring Dominants and submissives together, while secretly pining for a relationship of her own. When fate brings them together, a spark beyond anything they ever imagined is ignited, but Dallas' secret and a sinister presence threatens to destroy any chance they may have. Will love conquer all? Or will evil win out in the end?