Dan and Joyce, husband and wife will celebrate 13 years of marriage. Decide to dine in an elegant restaurant which means that her three children will stay home. Since nanny who looked after children usually announces the last moment that he can not reach, the two decide to call on another young woman named Anna to replace it. Throughout the series, children will themselves to realize that Anna is not just claiming to be that hides a dark secret. Anna’s behavior is getting weirder.