That’s because itwasyesterday.
Seriously, it’s been keeping us up at night.
Looking back, thePretty Little Liarsplot was incredibly simple when the show first started airing.

After that, though, things started getting much more complicated.
When Charlotte was ultimately killed at the end of season six, the Liars should have finally been safe.
It was even revealed early on that he was helping Mona when she was in charge.

AnotherTumblr postoutlines how it all works.
Bustlereported on several other plausible theories.
They range from speculating that Wren or Ezra is A.D. to theentire thingbeing a delusion in Aria’s head.

According toEntertainment Weekly, Troian Bellisario literally always said, “It’s me!”
when asked who “A.D.” was, but no one believed her.
Even as the show solved mystery after mystery, viewers were always left feeling like something was missing.
Spencer’s tormented twin sister tied up all those loose ends.
It’s hard to follow, we know.
Luckily, there are ways you cansee how the finale came togetheryourself.