A John Eisenmenger and Helena Flemming Forensic Mystery - When John Eisenmenger is unwilling to accept his bosss death from natural causes diagnosis on an autopsy, he goes to old friend DI Beverley Wharton. When this and other unnatural deaths lead to Atopia, a private clinic for the treatment of allergies run by a Dr Dreifus whose wife has just been found dead, it seems that there is more to this than death by natural causes . . .