Nasrin struggles to save her sick and rebellious son from falling, but fate pulls them both toward an abyss with no escape…

The discovery of Taban’s body in Mahyar’s house throws the lives of two families into turmoil. Khosrow sinks into grief and anger over the loss of his daughter, while the return of Nahid, Taban’s mother, fans the flames of the crisis. Adib, the case investigator, follows the trail of clues from the crime scene, surveillance footage, and the forensic report in an effort to uncover the truth.

Despite the evidence, Mahyar insists on his innocence. Nasrin is torn between supporting his son and the doubts in her heart. At the same time, the prosecutor’s investigations and the victim’s family’s pursuit uncover new layers of truth and hidden relationships.

Khosrow, caught between vengeance and collapse, refrains from killing Mahyar. However, Bahram and Nahid force him to tamper with Mahyar’s medical records. The result of this sinister game pushes Mahyar to the gallows. Nasrin fights to prove her son’s innocence, but the forensic results turn everything against him, and the order for his transfer to prison is issued. Meanwhile, a mysterious text message from Taban unveils a new layer of doubt and secrecy for everyone.

As Mahyar enters prison, Nasrin sets out in search of the truth, venturing into neighborhoods where every step could cost her life. The clues she uncovers amid the danger only strengthen her resolve to prove her son’s innocence.

Despite the warnings of those around her, Nasrin continues to pursue the case, joined by Adib, who stands by her to help uncover the truth. Together, they encounter new dimensions of the story that only deepen the mystery of the case.

Nasrin is determined to prove her son Mahyar’s innocence, and in doing so, she collaborates with Adib, the case investigator, a collaboration that increasingly teeters between reason and emotion. Meanwhile, Bahram, through deceit and manipulation, tries to twist the course of the case to his advantage and put Adib under pressure. In the end, the sudden arrival of a mysterious stranger turns everything upside down, casting a new shadow over the case.

After being away from Tehran for some time, Bahman Moghaddam turns himself in to the police. Even in Nasrin’s presence during the interrogations, Bahman remains silent and continues to deny everything. In the end, Adib’s investigation reaches a critical stage, and the case takes a new turn.

Nasrin is caught in a fierce struggle between her maternal instincts and the law. Adib and Kamrani discover a new lead that could change everything. But the further they go, the hidden secrets of the case begin to reveal new faces...