Body in the Bath - The Coma Mysteries

The Sixth in the Coma Mysteries.
For Abbey Roads and her small group of time-traveling friends at Castlereagh, the winter of 1971 is a time of turmoil and uncertainty. A mysterious and deadly disease is affecting parts of Europe and their beloved, Castlereagh is taken over by the sufferers.
Stumbling upon a secret eighteenth-century underground lair, Abbey is at first curious until she and her friends discover bones and a sordid story of a nefarious lord.
With the movie actor, Rupert, only keeping one foot inside the door, Abbey and her friends are occupied by the recent case of a missing boy, all the while trying to navigate their new living arrangements.
Faced with danger, the groovy hospital-ites are forced to hurry their investigation of what happened to the women in the woods, or else they too might suffer at the hands of an ancient ghost.