Alex Rider thinks he is a normal school boy, until his uncle is killed. He discovers that his uncle was actually spy on a mission, when he was killed. Alex is recruited by Alan Blunt to continue the mission. He is sent to Cornwall to investigate a new computer system, which Darrius Sayle has created. He plans to give the new computer systems to every school in the country, but Mr. Blunt has other ideas and Alex must find out what it is.

A member of the English upper class dies, leaving his estate and his business to an American, whom he thinks is his son who was lost as a baby and then found again. An Englishman who thinks he is an Indian comes to believe that he is actually the heir. He comes to hate the American who is his boss, his friend, and the man who has stolen the woman after whom he lusts.