Dipper is invited by Wendy and her teen friends on a trek that leads to an abandoned convenience store that may be haunted.

The Pines family is starting to get everything back to normal after the Lil' Gideon incident. They throw a “Mystery Shack Is Back” party, but some unwelcome guests intend to crash it.

Mabel takes matchmaking too far when she steals a love potion from a real Love God.

Mabel makes plans for her and Dipper's 13th birthday party; Dipper ventures below the town and discovers its most shocking secret.