A young couple from London, Maya and Jamie, escape their urban nightmare to the tranquillity of rural Ireland only to discover murderous goblins lurking in the ancient wood at the foot of their new garden. Irish folklore says the Redcaps will help any soul in dire need of rescue, so when Maya's relationship with a local family turns sour, she's forced to take desperate measures and discovers that there's a dear price for the Redcaps' aid.