Armed with the intel of an attack potentially greater than 26/11, the BIA is determined to oust the mastermind of the same using their agent, Red Queen, who has been living undercover in Pakistan as journalist Shireen Malik.

Ravi and Parvati investigate the case of an elusive terrorist named Begum. However, they struggle to balance their personal lives and their duty to protect the nation from behind the shadows.

Ravi and Parvati learn that their prime suspect, Abdul, and his brother, have been killed in jail. Now, their only lead is Abdul's widow, Benazir. Will they find the answers they are looking for?

Ravi is scrambling for leads after his spy, Sayra, gets compromised. Meanwhile, three young terrorists arrive in Mumbai to plan their attack.

Parvati strikes a deal with Vikram to gather more information. Ravi and his team learn about the terrorists' plans to detonate a human bomb during a marathon event. Can their plan be stopped?

Ravi decides to tell his wife the truth about his job to save their marriage. Meanwhile, Parvati interrogates a terror operative to find out about their plans in Mumbai.

Ravi finds out that his wife wants a divorce from him. Meanwhile, the agency takes help from Captain Joshi to catch the terrorist who was trying to scam him.

Arjun gets abducted by the terrorist group, and the agency tries their best to free him. Meanwhile, Ravi makes an effort to save his marriage.

The agency learns that the terrorists are planning an attack with a bioweapon. Meanwhile, Parvati searches for her daughter, who goes missing from home.

Ravi gets injured in a shootout and is forced out of action indefinitely. Meanwhile, an insurgent named Nola is freed from jail due to a lack of evidence against him.

When Nola turns up dead soon after Parvati coaxes a confession, an agency operative named Asha is blamed for poisoning him. What will Parvati and the others do now?

Vikram tries to turn Parvati's daughter against her. Meanwhile, Ravi and his team conduct a raid at one of the insurgent safe houses.

Political leader Nana Saheb mysteriously turns up dead, and Ravi's team loses their lead. Meanwhile, Arjun's cover is blown when the insurgents find the hidden cameras.

The agency gets information that terrorists are planning to break out their leader, Tarik Malik, from prison. Will Ravi and Parvati be able to stop their plans?

Ravi and his team spoil the terrorist mission and bring Tarik Malik to a secure location. Meanwhile, Vikram sends divorce papers to Parvati and wants to claim their daughter's custody.

Vikram takes Khushi on a trip without informing Parvati. Meanwhile, Ravi and his team get a lead to catch a terrorist operative named Abu Azam.

The agency is scrambling after a series of bomb blasts across the city. Will Ravi and Parvati be able to get ahead of the situation?

A terrorist group gets into a shootout with the crime branch. Parvati interrogates the captain of the crime branch, Praveen Tawde, about the intentions behind the unsanctioned encounter.

Ravi, Parvati and the agency come under immense pressure after the bomb blast at the police station. How will they deal with this situation?

The young terrorist slits her wrist while under Ravi and Parvati's custody, and she is taken to the hospital. Meanwhile, Vikram tries to come back into Khushi's life.

The agency operatives raid a beauty parlour to catch the terrorist soldiers hiding there. Parvati and his team interrogate the terrorists and learn about Begum's plan.

Parvati is worried about Vikram as the doctors work to save him. Meanwhile, Ravi asks his team to increase the security for the family members of BIA operatives.

Parvati and her team neutralize all the terrorists in the shootout. Meanwhile, Ravi's undercover operation hits a snag when their target is found dead in a bathroom.

The news of Ajay Sinha's murder in broad daylight spreads like wildfire, and the BIA Chief asks Ravi and Parvati what their next move is. The Chief asks Nadkarni to share photographs of Shafiq Rahman, Ajay Sinha and Girish Chauhan with their BIA officer in Nepal to find a connection between the three.

Ravi and his team covertly raid Jaan Mohammed's godown in Nepal, arrest him and discover a room full of counterfeit cash. Meanwhile, Parvati issues orders to activate all their agents and informants to speed up the search for the bomb's location. Will they be able to find it in time?