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.

On being informed about a few terrorists having entered India, the BIA is keen on eliminating them before their immoral plan comes to fruition. Agents Alpha and Red Queen lead the mission.Watch Episode 28 of Adrishyam - The Invisible Heroes on, Sony LIV.

An investigation leads the BIA to Raees, who was being supplied lethal chemicals by Siraj and Javed, who owned an illegal storage facility and were found dead.

While the BIA narrows down on a chemical scientist, Dr Madeeha, Namrata finds out that her husband is an ISI agent. The BIA gets a breakthrough, thus changing the course of the case.

BIA receives information about a terrorist, Iblis, who has been living disguised in Mumbai. The team investigates the case and figures out that Rehan is Iblis and sets out to nab him.

The BIA extracts information and finds out about Iblis' plan to attack the parliament. The team is determined to stop Iblis and his plan from coming to fruition.