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.

波罗系列是侦探推理小说女王阿加莎·克里斯蒂的侦探小说中最出名的系列，是一部由英国ITV在1989年出品的侦探悬疑剧。