 The series is about the deed of Cyril and Methodius and the breach of the Trilingual Dogma. Prof. Chrisanta Tsiumi speaks about the importance of the city of Thessalonica as a cultural center. The President of the Greek Association of the Slavs and of the Cyril and Methodius Scientific Society of Thessalonica shares his Thoughts about the new look on the lives and deeds of two holly brothers. Researcher Ricardo Pichio tells about the Cyril-Methodievistic science and about its problems.