Dr. Brain

Season 1, Episode 4: Chapter 4

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Heejin, the daughter of a man connected to Jaeyi, sheds new light on Sewon's home life and shares more details about what happened to Doyoon.

All Episodes - Season 1

Chapter 1
Episode 1
Chapter 1
 Chapter 2
Episode 2
Chapter 2
 Chapter 3
Episode 3
Chapter 3
 Chapter 4
Episode 4
Chapter 4
 Chapter 5
Episode 5
Chapter 5
 Chapter 6
Episode 6
Chapter 6
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