It is quite strange to say this but this series really has some similarities with the Indian series " Sacred Games" specially in the part of that cult and what they wanted to achieve, their plan to recreate that gas attack again and kill people of that whole town, the police officer who was connected and the mastermind's father part where the police officer was giving him water and most importantly this " Guru" thing who's the mastermind of all. Though this series doesn't have the same storyline as that Indian one but it is somehow similar if you try to think about only the major parts. Though I think it can be coincidence that these similarities are there but deep down I'm still in dilemma whether it's really a coincidence or this series is inspired from Sacred Games!!