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Canadian writer and director Jordan Tannahill adapts his own novel in this stirring, subtle and complex series about a woman doubting her own experience. BAFTA-nominated British actor Rebecca Hall is the compelling series lead, supported by the UK’s Prasanna Puwanarajah, Franc Ashman and Ireland’s Ollie West. Co-produced by London-based BBC Film and Fremantle.

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Synopsis

One day, Claire (Rebecca Hall) - a wife, mother and spirited teacher of literature - begins hearing a disturbing, low humming sound that nobody around her can hear. After discovering that one of her students, Kyle (Ollie West) can also hear the same noise, they investigate the intolerable hum’s potential sources.