Ellie Quicke is desperate to find someone to look after their elderly housekeeper, whose health is failing. But employing a carer found by Ellie's difficult daughter, Diana, proves to be a mixed blessing when Ellie returns from a trip to find that carer Claire has implemented a number of bizarre changes to the Quicke household routine. Claire, is heavily involved in “the Vision”, a local church with a charismatic, powerful pastor, who – seemingly coincidentally – is looking to Ellie for financial help in his current project, housing reformed addicts. But Ellie is suspicious – and more so, when details of Claire's chequered past comes to light. Can Ellie trust Claire and Pastor Ambrose? Ellie investigates and doesn't like what she finds...