Post Leap

So im basically new to this forum but not to the show. I used to watch it now n then before the leap but have no idea basically wjat happened and what's going on now. Couldany of u be so kind and explain the basic story and the relationship between the characters of neelu, neil, and the rest? I want to watch the show cuz im loving neil... Also y is avni preten to be annanya? Y is neil so bent on finding the truth?

Thanks!