As we enter the year 2000, 5 street children in the hands of a man who beg for children: Ali, Mercan, Zıpkın, Sabit, Kara... They manage to become brothers and sisters, defying the treachery of the world. Since they have no roots to hold on to, they cling to each other. The fate of the rootless is changed when they find a baby in the garbage one night. Mercan becomes a mother to the rootless at a young age. Ali is the father… Rootless people who can't take care of themselves try to raise this baby, even if it's with what they find out of the garbage. But it won't be easy. Because the same night is pregnant with a great sin. This secret, which the rootless people will carry on their backs for life, will hurt Ali the most. Both Çatal who begged them and the secret of that night will not leave them. The 23-year-old mystery curtain for these street children who survived by clinging to each other will be reopened when Gülayşe falls in love and Barbaros Commissioner enters their lives...

Barbaros Commissioner finally kept his promise to Nizam Eyüboğlu and found his daughter Lara. However, baby Lara is not abandoned. She is now Gülayşe of the Firebirds. How will Barbaros manage to separate Gülayşe from her siblings? Firebirds, on the other hand, will face the danger of losing their nests due to lack of identity and money. Can they find a way to avoid ending up on the streets again? In the past, Köksüz Tayfa, who escaped from Çatal and had no roof over their heads, ended up on the streets with a forty-day-old baby. What will the Köksüz family, who became the family of the baby they found in the garbage, struggle to keep their little baby alive?

Ateş Kuşları, whose nests are destroyed, are left homeless and return to the streets where they started. Will Ali be able to save his family from the streets this time? In the past, Köksüzler people try to be a family and survive in their first home they built on the top of Istanbul. Zıpkın cannot bear what Gülayşe has suffered and finds a way to bring Mercan to Eyüboğlu mansion as a servant so that the secrets of the past will be revealed. Will this path help them achieve their goals? On the other hand, Gülayşe is surprised to return to the street, her first home after being found in the garbage, and thinks that she has left Barbaros forever. However, Barbaros went after them to take Gülayşe to her father. Although Gülayşe is unaware, Barbaros is watching her at all times.

While Ali is trying to protect Gülayşe from Çatal and Mercan and Zıpkın are trying to reunite her with her father, Gülayşe is disillusioned with Yakup and dives into dangerous waters. She enters the fork's lair. She also steals Catal's stash. Mercan and Zıpkın follow the traces of the past in Eyüboğlu Mansion and are determined to prove the culprit. Harpoon's plan begins to work smoothly. But will Eyüboğlu hire Mercan without an ID? Will Zıpkın and Mercan find the woman who trashed Gülayşe that night twenty years ago? Çatal, who is after Gülayşe, is now after her money and is even more dangerous. That money will get Catal one step closer to the Firebirds. The fraternal bond of the Firebirds will give a completely different test this time. In the past, the rootless people who tried to look at Gülayşe as their eyes by running away from Çatal finally got caught. How will the Ateş Kuşları manage to protect Gülayşe this time?

Çatal is after Köksüzler again. Gülayşe is determined to help all children with the money she stole from Çatal. Seeing Gülayşe's stubbornness, Ali finds a solution that destroys Gülayşe's dreams. But it's too late now. Zipkın is ready to break the Köksüzs oath in the mansion he entered with Mercan, secretly from Ali. As long as Gülayşe is reunited with her father! Or will Zipkın burn Ali and tell Nizam all the truth? Barbaros does not allow the homeless Gülayşe to stay on the streets in this cold. He wants to help Gülayşe, but Ali stands against Barbaros. This time, Gülayşe is Ali's target for his love. In the past, Zıpkın and Kara do their best to keep Gülayşe alive. It will not be easy to protect Gülayşe without Mercan and Ali on the streets.