Old Jerusalem: Matathias, spiteful over his lover's illness, spits on Jesus along the road to Calvary, and is cursed to live endlessly until His return. The Crusades, 1150: Matathias, now an anonymous knight, competes for glory in combat and for the wife of a soldier. Palermo, 1290: Matteos Battadios witnesses the death of his young son, leading to conflict with his wife over whether to take comfort in Christianity. Seville, 1560: Dr Matteos Battadios dedicates himself to the treatment and comfort of the poor, but his life and work are endangered by the arrival of the Spanish Inquisition.
In London a young lady meets a homeless and apparently penniless Russian prince. She introduces him to her middle-class Fulham family and he moves in. It turns out he still has a number of diamonds given him by the last czar, and he is persuaded to start selling them. The resulting money, and his princely notoriety, soon cause changes in everyone's lives.