Duygu, who works as a translator at a translation agency, experiences loneliness with her doctor husband Yılmaz, although she does not know the exact reason why. The young woman takes refuge in her childhood to escape her inner conflicts and remembers the days when she and her brother Hâluk used to collect fireflies.
The film tells the story of a woman who guides a group of soldiers trying to stop the Greek forces occupying Izmir. Izmir is occupied by Greek forces. Captain Necdet takes a group of soldiers with him and begins to advance toward the enemy. Necdet plans to destroy the bridge used by the enemy to transport ammunition for the attack. However, since the enemy has surrounded them on all sides, he needs someone to guide them along the way. He takes refuge in a nearby village and asks for help. An old man who opens his home to the soldiers entrusts his daughter Fato to Necdet to guide them. Fato will help the soldiers destroy the Iron Bridge.
