Mun-yeong begins teaching a literature class at OK Hospital. In her first lesson, she provocatively claims that fairy tales are not "hallucinogens" for hope, but "stimulants" designed to make people face the brutal reality of the world.
The episode is praised for visualizing the world from Gi-do's perspective (a vibrant "nightclub" feel) versus the "normal" perspective of the hospital staff, highlighting how mental illness can alter reality. It’s Okay to Not Be Okay Episode 3
Watching Gi-do dance and shout freely, Kang-tae sees a reflection of his own suppressed self—the boy who has been "shackled" by responsibility for too long. Mun-yeong begins teaching a literature class at OK Hospital