The large family of much-married Irishwoman Kit Kelly book the restaurant for a wedding banquet for her and her new husband, American television writer Byron De Goris. Byron's briefcase is stolen from his hotel and Henry is suspicious of his reaction and even more so when Margaret tells him that the groom is not Byron De Goris but his friend James Jackson. Margaret had known them both thirty years earlier and discovers that Byron killed himself and James assumed his identity. Henry has to find out why. (thetvdb.com)