Warning: wikipedia contains spoilers
The narrator and central character is Duncan Patullo, who returns to his old college, after a long absence, for the gaudy celebrations. On arrival, he discovers that an old acquaintance, fellow Scot Ranald McKechnie, now a lecturer at the college, is married to Patullo's one-time girlfriend, Janet. The second novel, Young Patullo, recaps on the story of their former relationship and Patullo's undergraduate career.
During his extended stay in Oxford, Patullo meets some of his former tutors as well as some current undergraduates, and becomes embroiled in the internal affairs of the college. The discovery of a lost masterpiece by Piero della Francesca proves crucial to the college's future fortunes, and Patullo is able to help when it is stolen.
The books, in order of publication, are: