Penny Marshall
An American computer whiz who works at a New York bank is suddenly thrust into the world of international espionage after she inadvertently receives a coded message from a British spy.
Terry works for a bank, and uses computers to communicate with clients all over the world. One day she gets a coded message from an unknown source. After decoding the message, Terry becomes embroiled in an espionage ring. People are killed, and Terry is chased. Throughout she remains in contact with this unknown person, who needs Terry to help save his life.