Over ten consecutive evenings a dying Ahmed tells the story of his old master's life. The story is so powerful and the effect on his listeners so great, Ahmed is named The Grand Vizier of the Night. Set in the Islamic Empire in 785 AD, a tale of power, war, love and religion unfolds. It begins with Arab Harun-al-Rashid becoming Caliph of the Empire. Harun soon falls in love with a Persian man, Ja'far, but is devastated to find the love is unrequited. Ja'far is in love with the Caliph's sister, Abassa. Harun allows the couple to marry, but forbids the consummation of the marriage. His order is defied and Abassa soon gives birth to twins. They have betrayed their absolute leader and will suffer the consequences.