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Everyone believes that Jai is in rehab to treat his alcohol addiction after quitting the ATU. However, he is carrying out a secret job for a seedy-looking man called Gyan.

The clock has started ticking. Jai asks Roshan to be ready in the next hour, as he will help him escape prison.

Jai furthers his plan; meanwhile, ATU is getting closer to finding the virus. ATU agents Vedant and Raj find Prakash and then also reach delivery boy Kush's house.

The most important link in this dastardly plan, Kush, is abducted. Vedant is shot and moved to the hospital, which threatens the ATU operations.

Jai's backup plan to save Roshan Sherchan is on track. When a fire breaks out at the prison Jai attempst to use it to his advantage and help Roshan.

Jai escapes the prison with Rohan by holding Joshi hostage. RAF special forces are sent to look for them with a shoot-on-sight order from the home ministry.

Jai manages to safely cross all police check posts with Roshan before Haroon's men come to pick them up. However, as soon as Roshan is safe, he turns on Jai.

Mallick's ex-husband who is chief of another agency called IB, enters the picture. It's revealed that he left Mallick to raise their son alone.

Jai is involved in an undercover operation against Haroon Sherchan to destroy his drug network. It's revealed that ATU is already aware of the weaponized drug.

ATU loses Jai's signal, adding to their complications. PM Aditya prepares a plan B in case Jai's plan fails.

It's uncovered that Mehr, a terrorist whom the ATU has been looking for for three years, is involved in the virus deal.

The Delta team is recalled before they can attack, as ATU receives a message from Jai. Jai warns the ATU team that they should not act in haste.

ATU manages to take charge of the virus consignment. However, one test tube is still with Roshan.

Jai is back at the ATU and must face an inquiry about his mission. Meanwhile, the threat still looms over Mumbai.

Roshan manages to escape, but one of the locations the virus is to be released is identified by ATU. Meanwhile, Chang and Yotam have reached the location.

The virus spreads in the Hotel Gateway Residency and everyone in the hotel, including Veer and Gyan, are exposed to the infection.

Aditya finds out that the terrorist who is behind the virus plan is Devyani's ex-boyfriend Dhruv. Jai and the ATU get an important lead from Maya to trace Roshan.

ATU get closer to finding the second vial of the virus. Roshan seems to be on top of the game. He demands that Jai kill Mallick.

An unknown man leaves the hotel Gateway Residency after the virus breakout, and the ATU is in search for him. Dhruv is suspected to have an antidote for the virus.

Roshan and Anjali Sharma's daughter, Vaidehi, is found at the flat mentioned by Maya. Later, Kiran impersonates Vaidehi in order to trick Roshan.