Reclaiming her life after a devastating riding accident, equestrian Emily Conners' world shatters again when she discovers her friend and boss lying in a stall with a smashed skull. Now jobless and with a handsome cop underfoot investigating the case, she's torn between wanting the killer found and keeping her own secrets safe.

Detective Justin Butler always gets his killer, but this victim has a stampede of enemies and few leads to go on. Stonewalled by the tight-knit equestrian world, he looks to Emily for help, but she's strangely reluctant. Is she hiding something, or is she afraid of their growing attraction?

As the search for the murderer heats up, their hearts become entangled and their lives at risk, forcing Emily and Justin to work together to find the killer before they strike again.