Karl, a psychotherapist haunted by his own demons, uses sound resonance and psychoactive drugs to unlock his patients’ deepest traumas, until his suppressed past erupts, pulling him into dark corners. Suho, his devoted secretary, loves him silently but flees upon discovering his unethical methods, sparking his downfall. Edward, a “private investigator” and Karl’s estranged brother, pursues him with a vendetta, blaming Karl for a childhood tragedy. A drug lord’s yacht becomes a trap, capturing Karl’s collapse, and in a brutal, soul-baring session, Edward exposes their past, landing Karl in prison. Suho’s betrayal as Edward’s ally cuts deeper than bars, but a prisoner’s revelation unveils the truth: Edward is the true culprit. As Edward drives away, his victory crumbles under his own lies in a gripping, mind-bending thriller where memory deceives and truth scorches.