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.

Etta runs a half-way house helping newly deceased people identify the one last thing they need to do before they can cross over. When her best friend arrives in need, she must juggle her responsibilities to her clients and help her friend before her interfering boss catches her.