The Colony (1996)

A man moves his family into a suburbia that at first seems fantastic, but soon turns into a nightmare. Set in a high-price Malibu community, this film wallows in a multitude of extramarital affairs, corporate intrigue and elegant back-stabbing, Characters crucial to the plot-line are a cop posing as an auto mechanic, and a sexy nanny who intends to break up her best friend's marriage.