Pejman and Sam have been kidnapped by Asif, the head of the Dagestan Janfada group, and they are going to go to Chechnya from the northwestern borders of the country along with the yellowcake. The secret army spies are looking for them, too ...

Secret Army spies have noticed that Pejman and Sam are traveling to Tabriz on a train. They are trying to reach the train and the station where the train is supposed to stop ... Meanwhile, the struggle between the Chechens and the encounter of Pejman and Sam with an unexpected acquaintance, give them a glimmer of hope that they can save their lives.

Gorji who took command of the Chechens is still seeking revenge on Pejman. Pejman and Sam escape from him and the train with difficulties, but at the end of the route, a bigger trouble awaits them ....

Hesam the capricious, who was ambushed on the road to steal a drug shipment, mistakenly stole yellowcake instead. On the way back to Tehran, he meets Pejman and Sam, who have escaped from the forest after spending a difficult and horrible time there. Hesam has interesting plans for them ....

The secret army discovers that the yellowcake is in the possession of Hesam the capricious and his band, who have mistaken it for industrial drugs. The spies set out to free Pejman and Sam and somehow reach the yellowcake shipment, but things do not go according to their plan ...

While Dr. is trying his best to hide the hostage-taking incident and Pejman's injury, Ms. Besharati with her efforts, brings the news of the hostage-taking to the highlight and the film and its staff becomes the media spotlight. On the other hand, Farid and his team are trying to enter Hesam's house as soon as possible in order to reach the barrel of the yellowcake, which of course is not as easy as they think considering the conditions of the neighborhood ...

The police's investigation into the hostage-taking case of Sam and Pejman continues and meanwhile, the secret army spies are trying to convince Hesam to make a deal and deliver the yellowcake, but he doesn't trust anybody and doesn't want to make a deal. So the spies have to find a way to get him out of prison. In the meantime, it is reported that the officials, seeing the filmed scenes of the film «Secret Army», have evaluated it as one of the greatest chances of the Fajr Festival awards and believe that Farbod Molian is a very talented director. Farbod is happy and excited to hear this news, but he realizes that this issue brings new troubles for the film and their whole mission .....

As Pejman and Sam release from the hospital, filming resumes. In an attempt to get Hessam out of prison, the group is once again caught up in Ms. Besharti's propaganda controversy and they end up presenting in an important television program. With the release of Hessam from prison, it seems that the operation is finally on track, but the spies do not know that someone is watching them; Captain Shakouri .....!

A one-sided officer with a complex mind that uses less common methods to solve his cases enters. Captain Shakoori thinks that «his high intelligence is bothering those around him!» and that's the reason why he is constantly passes between different enforcement agencies. In one of these transmissions, he encounters the case of «Hakem Koti» which is apparently closed, but his police scent leads him to further investigations.

After gaining the yellowcake, the film crew leaves for Qeshm. The bad news for them is that Dr. Rostami also travels with them as a quality supervisor. When filming sequences along the way, Farbod's interest in directing and his growing seriousness at work overwhelm the whole group. Pejman, who is still thinking about his two-way love affair with Anna, suspects the relationship between Anna and Sam and monitors them, and it turns out that Anna really has something to hide. The final plan of the spies in Qeshm is determined and at the end of it, a bitter fate awaits Pejman and Sam.

Sam realizes a secret that puts his life in danger and he is forced to remain silent and cooperate. Pejman, on the other hand, gets involved, and both try to discover the group's secrets separately and in their own "smart" ways. But they don't have any idea that the countdown to the final phase of the operation has begun and they're going to be dead soon ....

Following the revelation of Anna's betrayal, the spies antedate the final operation to prevent the plan from being leaked. Pejman and Sam accidentally find out that they are both investigating a case and decide to work together. They get caught in the operation of rescuing Anna, but someone comes to their aid who they did not expect ....