两对夫妇发现他们的孩子在出生时就被调包,由此面临道德困境:是继续养育没有血缘的爱子,还是找回他们的亲生孩子?。George is a diabetic father who moves next door to daughter Zoe Dalton. Zoe seems to have it all, including successful husband Chris, but when she hires an au pair, Sandrine, the beguiling young French woman triggers an unsettling shift in the household as instincts and suspicions arise, hinting at hidden agendas.。