Adam chooses to spend Halloween night with Dana rather than Beverly, who decides to teach her son a lesson about the dangers of the holiday. And later, Adam regrets taking Barry and Erica's advice to visit a haunted house when he's expected to go back inside to find Dana's lost promise ring.
Allison is saddened that Dave doesn't get excited about Halloween anymore, but when D.K. treats him to a scary story about Korean ghosts, or gwishin, that's acted out by the Welltopia staff, it might just do the trick.