As ISIS executes someone, they prepare another to blow himself up in a terrorist operation. Umm Anas teaches a female jihadist an unforgettable lesson for refusing to attend her religious lessons.
Officer Harith disguises himself as Abu Suhaib to infiltrate the ISIS group, and works with Abu Yasser, who orders the preparing of a young man to carry out a suicide operation.
A new suicide operation is carried out, and Harith interrogates the young man Abed about his joining ISIS. Immediately upon Jalal Raafat’s arrival at the airport, Harith’s boss issues an order to monitor him.
Abu Maryam warns Harith about Abu Qutaiba, and the latter, before a meeting of ISIS leaders, questions Harith’s loyalty, stating that there is treason in what happened in the recent operation. Harith reveals to Hamza that he is a driver for the suicide bombers.
Security forces succeed in thwarting a large car bombing operation, while Jalal begins his project to produce drones, and Muhammad dies in an operation.
Abu Qutaiba's men disguise themselves as policemen, arrest Harith on the road, and torture him, but he hides his true identity as a police officer, while Umm Anas tries to force his wife within ISIS to accuse him of being against the group.
Abu Qutaiba questions Harith's presence at the time the operation was carried out. Abu Hardan interrogates Umm Suhaib, who confirms Abu Qutaiba's false claim against her husband, and Abu Maryam proves that what she said was true with evidence. Abu Fath tells Harith about his inventing a new explosive.
Jalal tries to convince Harith to work with him, and the latter succeeds in placing a listening device on Raafat's device. Abu Qutaiba is still searching for anything that will convict Harith of treason.
Ammar trains drone engineers to work. Hamza cooperates with the police and is recruited against ISIS ranks under the name Abu Zakaria. Abu Qutaiba visits Harith to find out how he discovered the time of the terrorist operation.
Jalal asks Ammar to deliver the company's shipment to the desired location. Abu Qutaiba tells Umm Anas of his suspicion that Harith is a double agent. Abu Maryam arrests Abu Qutaiba and interrogates him on charges of treason.
Abu Maryam interrogates Umm Anas about Abu Qutaiba’s betrayal of ISIS and threatens to hurt her daughter if she does not cooperate with him. As Abu Maryam assigns Harith to transport the suicide bomber who is carrying out the new operation, Umm Suhaib tries to prevent Harith from doing so.
Abu Osama meets with Abu Yasser and the senior members of the ISIS group to rule in Abu Qutaiba’s case, and the death sentence is implemented against him, while the plan for the new bombing operation is changed. Jalal receives a phone message in which he is ordered to escape.
Jalal orders Najib to kill Ammar after he refused to operate the drone, Umm Suhaib dies, and Harith tries to arrange with the security heads to stage a fake operation for the same bombing so that Abu Yasser does not suspect him.
Harith agrees with a graphic designer to film the bombing scene with advanced technology to make it appear real. With Jalal's arrest, he is questioned and the latter is shocked when he learns that Abu Suhaib and Harith are the same person, and that Abu Qutaiba was right.
Harith's boss insists that he will not return to ISIS. On the other hand, Abu Yasser quarrels with Abu Maryam because they suspect Harith of betrayal. Abu Maryam summons the latter to prove his loyalty to them, but the hand of treachery reaches him.