After a harrowing ordeal, OA and Karim find themselves locked inside a labyrinth of puzzles. Nagging doubts prompt Homer to snoop on Dr. Percy.

Karim visits Nina at the clinic for help finding the secret entrance to the house. Meanwhile, Hap meets a fellow traveler, and Homer goes on a date.

At the clinic, OA discovers what happened to her friends back at Hap’s. Karim turns his attention to a doctor who worked for Pierre Ruskin.