Sir Henry Merrivale (better known to the public, and to his co-workers of the Military Intelligence Department as "H.M.") had disappeared. Two of his young friends were to be married the following day. Then a telegram arrived: MEET ME IMPERIAL...
Listopad 1327 roku. Do znamienitego opactwa benedyktynów w północnych Włoszech przybywa uczony franciszkanin, Wilhelm z Baskerville, któremu towarzyszy uczeń i sekretarz, nowicjusz Adso z Melku. W klasztorze panuje...