Jessica trades in her typewriter for a computer and Michael, one of her students, takes her to the company where he works to get setup. When one of their programmers is murdered, Michael is arrested. A missed phone call is the key.
Once again, a reluctant Jessica is drawn into Michael Hagarty's spy world when a retiring KGB agent hides a coded list of undercover MI6 agents in her book at a Trade Reception.
Jessica tackles the mystery of a man who apparently migrated from Ireland to New York for the sole purpose of taking revenge on an old friend of hers, but is killed himself.