
Mehmed, having removed many obstacles in the way of the Siege of Constantinople, is counting down the days to the great campaign. He has united all his viziers and subjects with hearts beating for this cause. In preparation for the siege, in addition to various military elements, Mehmed has also strengthened his navy, entrusting it to Baltaoğlu. However, Baltaoğlu faces a dilemma. He must reunite with his brother, Admiral Rizzo, who commands the consul galleys, a brother he was forced to part with years ago. Rizzo holds the key to opening many doors. Çandarlı, aware of this, plays a trick to make Rizzo indebted to the Ottomans. Mehmed bases his greatest pre-siege plan on Rizzo. Will Rizzo repay his debt by helping Mehmed? Will he accept this crucial mission?
Preparations for the siege continue in the Harem. Mara, Bahar, and especially Gülşah, along with other women in the Harem, are working for the siege. Amidst these efforts, there is also excitement about an impending birth. Gülşah is heavily pregnant and is expected to give birth soon. Will the child be a boy or a girl? The answer is eagerly awaited. This is an event that could shift all the balances in the Harem.
Meanwhile, in Byzantium, the fear of the Ottomans is growing, leading to precautionary measures and desperate solutions. Constantine, now isolated, is struggling to make the right decisions. His master, Plethon, noticing this, strongly advises Constantine to recall Notaras. Will Constantine call Notaras back? Will Notaras return despite everything that has happened? How will this affect the balance of power in Byzantium?