Discovering his ties to a secret ancient order, a young man living in modern Istanbul embarks on a quest to save the city from an immortal enemy.

1. Episode 1 46m While desperately seeking opportunities to fund his next business venture, Hakan comes across a talismanic shirt potentially worth a lot of money.

2. Episode 2 34m Hakan has a hard time believing the story of the Protector. Despite being told to stay put so the Immortal can't reach him, he sneaks out to find Memo.

3. Episode 3 36m When Hakan and Zeynep arrive at the address to meet with the Loyal One protecting the ring, they find a decrepit house in the middle of nowhere.

4. Episode 4 45m Hakan's new job begins at a party celebrating Faysal Erdem's big win with the Hagia Sophia project. Meanwhile, Zeynep follows clues to find the stone.

5. Episode 5 46m While Hakan visits the Princes' Islands to learn about his past, Zeynep and Kemal head to the Mausoleum of Mimar Sinan to look for the stone.

6. Episode 6 38m Hakan struggles to choose between his new love and his duties as the Protector. After sending Emir back home, Kemal heads out in search of the dagger.

7. Episode 7 42m With no time to devise a better way to circumvent the museum's security system, Zeynep defers to Hakan's plan, which comes with risks.

8. Episode 8 42m Zeynep seeks Timur's help for her dad. Faysal Erdem disapproves of Mazhar's recent actions. Leyla feels conflicted about her relationship with Hakan.

9. Episode 9 35m While being led away from the crime scene, Hakan spots something unexpected. To learn more about the Immortal, Kemal risks his status -- and much more.