An uninvited house guest throws Bea Abbots summer plans into chaos, bringing danger and peril to Beas door.Bea Abbot is looking forward to spending the summer with her fourteen-year-old ward, Bernice, but her plans go awry when one of Bernices schoolfriends finds herself in trouble. Evelina Trescotts uncle has died in a mysterious accident at their country house, and her aunt, Mrs Trescott, is keen to hide Evelina away from the police.Evelina arrives on Beas doorstep catatonic, heavily drugged up on epilepsy medication and unable to remember finding her uncles body. Is she really a hapless victim, or is Bea harbouring a wily criminal?The more Bea learns about the troublesome Trescotts, the more she realizes something is horribly wrong, and soon finds herself drawn into a dark web of greed, abuse, and murder.