The series tells the full biography of the four imams of the Muslims from the Sunnis and the community Ahmad ibn Hanbal and the events that took place from the beginning of his family and social life and even began his scientific life in the request of forensic science (isnad) from Muhammad and the Quran until his death, and also reviews the period of the rule of the Abbasid state, Islamic events and conquests, the emergence of the Mu'tazili and the emergence of the plight of the creation of the Quran, and Imam Ahmad bin Hanbal confronted them.