Infectious by L. Chambers-Wright
Summary: A supernatural contagion with one hell of an infection. Time is running out.
Melanie Smallwood believed she would never have anything of value in life. A sudden windfall leaves her struggling with a life she never imagined, inside an estate she never hoped to own. Elysium was designed by the most prestigious architects and constructed with the finest materials, but it doesn’t offer luxury for its occupants. For most residents, life is murder.
Elysium hides secrets of love and destruction that reach out to curse all who enter. She discovers some prices aren’t paid in money, but suffering. The contagion is spreading and everyone she loves is already infected.