The past comes back to haunt both Oliver and Laurel. Curtis is upset when he discovers that Diggle and Lyla have restarted The Ghost Initiative with Diaz, China White, Kane Wolfman and Carrie Cutter.
The group travels to Singapore. Tayisha and Colton bungee jump. 13 women explore the city, visiting a leech therapy center and trying different foods. Colton takes Caelynn shopping.
Dr. Shaun Murphy, Dr. Morgan Reznick and Dr. Audrey Lim treat a woman with autism and a delicate brain condition while navigating the complicated relationship she has with her roommate, who is also on the spectrum. Meanwhile, Lea and Shaun are still figuring out their friendship and roommate status.