Claire is an MI5 agent who becomes the royal nanny, having to overcome challenges on her mission as she keeps the family safe for Christmas and resists Prince Colin's charms.Claire is an MI5 agent who becomes the royal nanny, having to overcome challenges on her mission as she keeps the family safe for Christmas and resists Prince Colin's charms.Claire is an MI5 agent who becomes the royal nanny, having to overcome challenges on her mission as she keeps the family safe for Christmas and resists Prince Colin's charms.