For 50 years, England has been in quarantine: the souls of the dead cannot find rest and haunt the living. Any contact with a ghost is deadly, and the population lives in fear. Teenagers who are more sensitive to the supernatural and gifted with paranormal talents carry out “disinfestation” operations… for a fee. The young Lucy Carlyle, a promising ghost hunter, joins the modest agency run by the charismatic and slightly unhinged Antony Lockwood. But business is bad, and competition is fierce…