The door was never meant to be opened.

In the final episode of The Fourth Key, the truth behind Nisha’s disappearance is finally revealed as Ayaan, Tara, and Dev descend beneath the cabin one last time.

What began as a forgotten reunion becomes a confrontation with guilt, memory… and something waiting in the darkness beyond the underground door.

As the past comes crashing back in full, Ayaan must make an impossible choice: run from what happened that night… or finally face it.

But some places don’t let go easily.

And some doors never truly close.

🎧 The final key has been found. Now it must be used.