Dipper and Mabel are both fifteen when they return to Gravity Falls. As the twins are getting used to having their Grandpa Stanley around, life seems good for them. Dipper's gotten over Wendy and seems to have a crush on Pacifica who has now befriended them, Mermando has came back to Gravity Falls after the escape of his arranged marriage to reunite with Mabel with Dipper planning on turning him human for his sister. Life seems to be going well for the twins. Until a certain dream demon returns, mentioning a secret that would change their lives forever.
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