The epic continuation of Diriliş Ertuğrul, Kuruluş Osman follows Osman Bey — son of Ertuğrul and destined founder of the Ottoman Empire — as he transforms a small Turkic tribe into a sovereign state. Battling the Byzantine Empire, Mongol forces and treachery from within, Osman must prove himself as both a warrior and a leader. A sweeping historical action drama built on faith, honour and the birth of one of history's greatest empires.

Perihan, her daughter Berna, and their family live together comfortably. Ferda, Perihan's famous daughter, runs a beloved hair salon. Ferda blames her troubles on her mother's abandonment. Berna is married with three children. Ferda has an affair with Berna's husband, causing a tragic event. Duru, Perihan's granddaughter studying in the US, arrives for the funeral. Ferda surprises the family by calling Perihan "mother," revealing a secret. This leads to a war between mother and daughter, affecting their neighbors Ipek and Aras.

Amidst the ravages of WWI and the conflicts within the country, Akif tries to keep his family together and encourages the youth to unite against the enemy. With his pen mightier than the sword, he writes the National Anthem of the new Türkiye.

Describing herself as a "trouble magnet," Zeynep finds herself in the middle of chaos on her first day at her new school. An outbreak forces the school into lockdown, and that night, she stumbles upon the lifeless body of a female student in the dark hallways. She’s not alone—she’s joined by Onur Zorlu, the school principal’s son, and his friends Burak and Mert. Fearing his father’s weak heart won’t handle the news of a murder, Onur proposes they keep it a secret until the quarantine is lifted and find the killer themselves. With a disease outbreak and a murderer on the loose, the group believes their only option is to solve the mystery without alarming the parents outside. Drawn into this dangerous plan, Zeynep becomes the fourth, unexpected member of their group. Together, they embark on a perilous journey full of secrets, danger, and twists they never saw coming.