Even though two brothers are completely separated from each other after the imprisoning of their father and the kidnapping of their twin brother, they meet by coincidence years after when both choose to enter the police academy.

A special team of four is established by the Istanbul Police Department. The team has all kinds of different talents. These four people, who have experienced many things in their past, start working together to solve grisly murders.

The young and beautiful Iffet lives with her father and younger sister, She is deeply in love with Cemil, a taxi driver at the local taxi station. Iffet dreams about the day when Cemil will propose to her. In fact, Cemil does not want to marry Iffet yet as he has bigger plans.

Two men who used to be bosom friends have chosen to live in different worlds. Yavuz serves the Law as a police officer while Maraz Ali is the leader of Istanbul's most formidable gang.

Kandemir is the head of a gang which conducts robberies. Their main goal is to rob fairly. What connects the members of the gang to one another is friendship. Unfortunately, everything changes after an old friend of Kandemir, Ali Rıza Kaptan’s goes to prison. Kandemir and the gang settle into an old neighborhood which seems quiet and peaceful. However, nothing is as how it seems in the neighborhood. They introduce themselves to their neighbors as the Nevizade family. Protagonists Kandemir, Ferdi, Karlos, Yaren, Bahadır and Derya have had hard times and when they gather under one roof these gang members still carry the traces of those hard times. Kandemir wishes to confront his daughter and show her that he is no longer a man of monkey business, while blood brothers Ferdi and Karlos who ran away from an orphanage still carry the misery of the streets; Yaren who came to İstanbul with the hope of being a famous singer is singing in taverns; Bahadır uses his genius for hacking computers and Derya joins the gang with her acting skills in order to save her father.

In the aftermath of an accident, a naive girl finds herself torn between an unscrupulous prosecutor, and a vindictive plaintiff.