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Cast
Season 1 Full Episode Guide
Harnessing the power of his unique brain and the knowledge of those he synced with, Sewon risks his life to save his family.
Sewon confronts the mastermind pulling the strings behind his ordeal and setting in motion the diabolical plan involving him and his family.
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.
Sewon's investigation makes him a target, and he discovers a disturbing truth about the private investigator that rocks both their worlds.
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
Sewon, a research-obsessed brain scientist, gets devastating news that pushes him to advance a risky brain-sync system in search of answers.