When an emotionally-fragile younger lady takes a job as nanny to 2 troubled youngsters at a distant summer season cottage, she falls in love with the kids's father, whereas changing into enmeshed within the thriller of their estranged mom - with whom, it seems, the younger lady has her personal fraught historical past. Because the summer season progresses, she begins to suspect that the household has a darkish historical past that they're determined to maintain secret.