Kuruluş: Osman Season 4, Episode 13 (Episode 111) centers on a high-stakes conflict where Ismihan Sultan lures Bala Hatun into a trap at Marmaracık Fortress using Sheikh Edebali. As Osman Bey fights to rescue his family, a deadly plague spreads through Söğüt, forcing Malhun Hatun to search for a cure. For more details on the cast and plot, visit TMDB .