CHAPTER I. Birth and character of Antonina--Her marriage with Belisarius--Her adulterous amours--Services rendered by her to the Empress Theodora--Her passion for the Thracian Theodosius--Adoption of the latter--The lovers surprised by Belisarius--His weakness--Revelation made by the slave Macedonia--Flight of Theodosius--Vengeance of Antonina upon Macedonia, and upon Constantine, who had spoken insultingly of her--Theodosius refuses to return to her until the departure of her son Photius--Retirement of Photius--Demands of Theodosius--His return--Infatuation of Belisarius--His return to Byzantium--Theodosius enters a cloister at Ephesus--Despair of Antonina--She causes him to be recalled--His resistance--His secret return..