In the summer of 1992, Zizi opens her new atelier. In the winter of 2015, two men break into the atelier after they hear a scream and one of them hides something in his pocket. Detective Abbas is called in to investigate and he tells his colleague that the safe is empty and Zizi is missing.
During the interrogation, Abdo admits that he hates Zizi because she controls his wife Sana, the director of the atelier. Zizi's daughter Ward also hates her. Ward tells Hadaya that she knows about his relationship with her mother.
In a prison cell, a man named Amir Zaki Al-Boushi suddenly drops dead among the prisoners. This time detective Saad cooperates with Abbas to solve the crime. The suspects are the four prisoners and the prison guard.
The two detectives try to find out how the poisoned syringe was smuggled into the prison. Atallah says that he was the only one that Amir spoke to. Awni asks the security guard to make a call. The detectives ask Awni about why he tried to expose Amir in front of the inspection committee.
Detective Nicole joins Abbas as they try to uncover the mystery of the murder of a young man named Hassan Kotsika. He was a technician who met a group of rich young men and they performed exorcism sessions. He died in one of those sessions and the detectives discover that they were taking drugs.
The investigation reveals that there was a big problem between Hassan and Marwan because Nourhan had a relationship with Hassan when she was upset with Marwan. Tony and Hassan also had a fight. Nourhan denies having an affair with Hassan and accuses Karima of lying.
Dr. Hossam makes his wife Nadia greet his student, Selim. Samir's mother accuses Selim of killing Nadia. The detectives Abbas and Khalid begin their investigation and it is revealed that Selim was still holding the knife when the body was found.
During the interrogation, Hanna says that she was helping her son study as she sat with Hossam. They heard the sound of something falling on the ground and her son saw Selim holding the knife. Hanna says that she doesn't know if Selim and Nadia were in a relationship.
Tarek's friends tell him that they know that he likes Feryal. Someone electrocutes Tarek and he drowns in the pool. The detectives Abbas and Amr start their investigation. The suspects are Marwan and Ismail who discovered the body, Tarek's rival Sherif, and Feryal's brother.
The detectives suspect that there was a relationship between Tarek and Feryal. Nouh, the swimming team's coach, tells them that the killer is Sherif, his father Sabry or both of them.
Hend enters a small hotel where a man and his wife are waiting outside. The victim is Mustafa Al-Saeed, a building owner who was a former pilot. The sum of money that he just got from selling a new apartment is missing.
An arrest warrant goes out for Jamil and Hassan. The photographer who used to supply Mustafa with drugs reveals that he stole Mustafa's room key from Layla's bag to steal the money but it was already gone when he arrived. Mustafa also received a call from a private number prior to his death.
A group of women dances in a local bathroom in preparation for a wedding, and a group of boys tries to sneak a peek from the roof but a man called Al-Ashqur drives them away. Al-Ashqur's wife, Um Khalil, goes missing.
Abbas reveals that Um Khalil was murdered. Al-Ashqur says that after his wife kicked him out, he went to the coffee shop and there are witnesses. Um Khalil's room key is missing. It's revealed that Ibrahim wanted to marry Shimaa but her sister, Um Khalil, was against it. Shimaa accuses Al-Ashqur.
The new crime that Abbas investigates with detective Kenda is a double murder. The first victim is a 76-year-old wealthy man named Riad and the second one is Ammar. It seems that the killer killed Ammar to cover for killing and robbing Riad. But Kenda thinks that it was the other way around.
Abbas finds out that Riad's killer cleaned the kitchen after his crime and dragged the body somewhere else. During the interrogation, Riad's son, Sherif, says that he had a disagreement with his father over his mother's inheritance. Sherif hates his father and thinks that he was a bad man.
A new crime and the victim is a college student name Sherine. She died while performing in a play for college when her colleague Hisham fired a gun that was supposed to have fake bullets, but it was real ones instead. Abbas' colleague Basem helps him with the investigation.
Sherine's father blames her mother for letting her act behind his back. Basem wonders how the crime is so complicated and Abbas tells him that most murder cases remain open and that the perfect crime does exist.
The detectives Abbas and Zeina investigate a crime that occurred at an Armenian house of a lady called Delilah Atenyan. Her ex-husband tried to kill her once and she took his villa and money from him so he left for the US.
A bottle is found in the greenhouse containing the same substance that killed Delilah. Abbas asks Rose about the ring she is wearing and she says that Delilah gave it to her. The autopsy report reveals that Delilah was murdered with alcohol mixed with a very high nicotine dose.
A grandmother tells her grandkids stories and shows them the golden necklace that their late grandfather Gaber found. A girl dances alone in her room as a local wedding takes place. A dangerous man tries to convince Bakr to drink beer. The crime is the theft of the golden necklace.
Abbas thinks that someone doesn't want the wedding to happen. The bride, Sabah, is interrogated, and it is revealed that she is not a virgin and that Bakr is being forced to marry her because they have been promised to each other since childhood.
A man drags a woman into a car as a girl films what happened. They find out that the man they filmed is a powerful minister named Gafar and they send him a picture of his son Adham.
Dorra wonders why the criminal left witnesses behind. Abbas suspects that he must have heard Bonduq coming and left in a hurry. They conclude that the criminal is an amateur and that Hamza himself is a potential suspect as he might have shot himself to make it look like he was the victim.
Tawfik Bahy El-Din is Abbas' friend and wants him to find an old watch that was stolen from half a century ago which would solve all his financial problems. His mother, Magda, gave it to a singer and she died long ago. The watch is worth a million pounds today.
Awad is interrogated, and he says that he last saw the watch between the two acts and that Emad was in the room when he left. The detectives sense that he is nervous. He says that Emad was at odds with Ismail because Emad took money without his brother's permission.