Sonya finds a key to changing the past. After confronting Reşat, Esra devises a plan to expose George's scheme and foil a wider conspiracy.

A ring found near Peride's body sheds new light on the identity of her real killer. George makes a treacherous deal with Sonya and closes in on Halit.

With Ahmet's fate hinging on Halit's recovery, Esra uses Dimitri's key to travel in time and keeps encountering Halit under unexpected circumstances.

Dimitri warns Ahmet about the perils of meddling with the past. As Leyla's fate hangs by a thread, Esra discovers Halit's true motives.

Halit confronts Esra about her plans with Fahrettin. Esra slips a note to Mustafa Kemal, but her ruse puts others in jeopardy.

As the political stakes rise, Ahmet finds a notebook in the room occupied by Fahrettin, who informs Esra of George's sinister plan for Istanbul.

Stepping into Peride's shoes, Esra sets out with Ahmet to correct the course of history, but gets on Halit and George's radar.

While researching for an article on the Pera Palace, Esra stumbles into the year 1919, meets a doppelgänger and finds herself amid political intrigue.