Betrayed and Left Behind (Gravity Falls Fanfic)

Many things have been kept secret... Mabel and Dipper is going to find out all of the truth...

But are they?

After many truths and lies... something strange happens.... and changes everything....

Takes place right after "A Tale Of Two Stans"... so before the end of the world!!!

Heheheheh I know how to keep secrets... and have you guys guessing!! :P

Enjoy!!