Lizard people? Real. The moon landing? Fake. Managing the world's conspiracies is a full-time job for an awkward genius and her dysfunctional co-workers.

Luz, a self-assured teenage human girl, accidentally stumbles upon a portal to the Demon Realm.

Twin brother and sister Dipper and Mabel Pines are in for an unexpected adventure when they spend the summer helping their great uncle Stan run a tourist trap in the mysterious town of Gravity Falls, Oregon.