All were orphans when they met in their teens in the late seventies, and they vowed to be a family. As they reunite at a film party in London, it is Rosalind Madigan, the angel of the title, who holds them together. An Academy Award-winning designer blessed with innate goodness, Rosie is troubled by commitments that leave her feeling estranged from herself and her friends: Gavin Ambrose, a Hollywood megastar, a brilliant actor/producer whose personal life is not as successful as it appears (Nell Jeffrey, head of an international public relations firm and Rosie's best friend, a glamorous woman having a secret love affair (and Kevin Madigan, Rosie's brother, an undercover cop in the NYPD Crime Intelligence Division who specializes in fighting organized crime, an assignment that threatens his