Mercy's friend Rainey has enlisted her help to solve her sister's murder. Then a horrible accident claims Rainey's life, leaving Mercy only five days to find the killer: If Mercy fails, according to dragon law, Rainey's soul will be doomed to roam the earth for eternity. But how can Mercy help when she herself is a target? With nowhere else to turn, she must join forces with a sexy stranger--the mysterious man they call Muerte, or death itself, who's as irresistible as he is treacherous. But can even Death keep Mercy alive for long enough to find her answers?