Brilliant brain scientist Sewon (Lee Sun-Kyun) 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.
Chapter 1Sewon, a research-obsessed brain scientist, gets devastating news that pushes him to advance a risky brain-sync system in search of answers.
Chapter 2
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Chapter 2Intel from a private investigator drives Sewon to conduct more brain syncs, leading him to believe his wife, Jaeyi, was right about their son Doyoon
Chapter 3
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Chapter 3Sewon's investigation makes him a target, and he discovers a disturbing truth about the private investigator that rocks both their worlds.
Chapter 4
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Chapter 4Heejin, 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.
Chapter 5
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Chapter 5Sewon confronts the mastermind pulling the strings behind his ordeal and setting in motion the diabolical plan involving him and his family.
Chapter 6
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Chapter 6Harnessing the power of his unique brain and the knowledge of those he synced with, Sewon risks his life to save his family.
