S01E01 Chapter 1
Sewon, a research-obsessed brain scientist, gets devastating news that pushes him to advance a risky brain-sync system in search of answers.
Dr. Brain
The truth lies in your mind.
S01E03: Chapter 3
Sewon's investigation makes him a target, and he discovers a disturbing truth about the private investigator that rocks both their worlds.
Overview
Brilliant brain scientist Sewon suffers a horrific personal tragedy. Desperate to uncover what happened to his family, he conducts "brain syncs" with the dead to access their memories for clues.
Episodes
S01E02 Chapter 2
Intel from a private investigator drives Sewon to conduct more brain syncs, leading him to believe his wife, Jaeyi, was right about their son Doyoon
S01E03 Chapter 3
Sewon's investigation makes him a target, and he discovers a disturbing truth about the private investigator that rocks both their worlds.
S01E04 Chapter 4
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.
S01E05 Chapter 5
Sewon confronts the mastermind pulling the strings behind his ordeal and setting in motion the diabolical plan involving him and his family.
S01E06 Chapter 6
Harnessing the power of his unique brain and the knowledge of those he synced with, Sewon risks his life to save his family.
Cast
Lee Sun-kyun
Koh Se-won
Park Hee-soon
Lee Kang-mu
Seo Ji-hye
Lieutenant Cho
Lee You-young
Jung Jae-yi
Lee Jae-won
Hong Nam-il
Teo Yoo
Secretary Yoon
Cha Hee
Dr. Hahn
