The Psychologist in the White Room

The Psychologist in the White Room is the first pseudo-story arc in Dr. Frost. Unlike other story arcs, it does not occur in chronological order, and episodes are typically released between story arcs.

Characters
In order of appearance:
 * Seonga Yoon
 * Nambong Baek
 * Jeonghyuk Oh (mentioned)
 * Sangwon Cheon (flashback)

Ep. 13
In Yonggang University's psychology department consultant room, Seonga is writing her dissertation, while Frost watches her. He asks her to pass him the latest copy of the psychology journal, and Seonga rummages through the contents of her desk, trying to find it. Frost thinks that every place reflects the mind of the person staying there, and that a well-trained psychologist could glean information about the person staying there. That type of psychology is called snooping. Frost tells Seonga that her desk reflects her scatterbrained, illogical mind. Seonga apologizes, stating that she'd clean it up. She looks at Frost's desk, which is completely empty, and questions if it means that his brain is completely empty.

Seonga asks about the snooping in Mr. Oh's house, and Frost says that he was able to gather more information from there than expected since Mr. Oh lived alone. The webtoon notes that Sam Gosling has trained many experts in snooping, several experiments have studied snooping theory, and the United States has systemic snooper training courses.

While Seonga writes her dissertation, Frost doses off and eventually falls asleep. He finds himself having a lucid dream. In front of him is a half-open, undecorated door, and Frost gets out of his chair to go through it. The room is completely empty except for a small window at the very top. Frost notes that he has had this dream before, but can never remember what happens after he goes through the door. He states that the empty room was supposed to reflect his mind.

Suddenly, Frost's heart thumps and he remembers his younger self, someone that seems to be Professor Chun is yelling, and then doctors hover over him in a hospital or operation room. When he opens his eyes again, a wall of neatly lined framed photos face him. Then, Frost wakes up, not remembering the dream again.

It is quiet immediately after he wakes up, because Frost can't hear in the dream or immediately after he wakes up from it. He asks if anyone is there, and to his surpise, Seonga is still with him. She says that she didn't go home because he was sleeping, but that she was almost done with her essay. She then offers him coffee if he helps her with her essay.