: Following their father's death, the brothers are physically and Ideologically separated. While Ishak, the eldest, prefers a quiet life in their hometown of Lesbos, Oruč and Ilyas have already begun their journey as seafarers against his wishes.
The first episode introduces the four sons of Sipahi Yakup Aga——as they navigate a world of shifting alliances and dangerous seas.
: Hizir is introduced while pursuing a "sacred secret" with the help of Master Suleyman. This central mystery becomes a primary driver of the plot as enemies, including the Pope's operative Pietro, are also hunting for the same knowledge.
: The episode sets the stage for future rivalries, notably with the pirate Antoine (Poseidon), whose family history becomes entwined with the brothers' in a cycle of revenge.