Naagin S4 _ নাগিন S4 _ Ep. 1 _ The Revenge Saga Begins!

It seems like you're referring to *Naagin Season 4* (Nagin S4), an Indian supernatural drama television series. *Naagin* is a popular franchise on the Indian channel Colors TV, centered around shape-shifting female serpents (Naagins) and their powers to seek revenge or protect their loved ones. The show has been a huge success and has had multiple seasons.

Season 4 of *Naagin* premiered in late 2019, with the title *Naagin 4: The Revenge Saga*. The first episode set the stage for the main revenge storyline, where the female protagonist, played by Nia Sharma, embarks on a quest for revenge against the villains who have wronged her family.

If you're looking to watch or get more details about this episode, you could find it on streaming platforms that carry the Colors TV shows or through official channels like Voot, which often hosts episodes of *Naagin*.

Let me know if you're looking for a summary or other details about the series!