By Tracey Houston

'Genius' is a 21st-century gothic romance / black comedy / thriller in 13 episodes. London, 2005: Sabine Moriarty, a brilliant but reclusive mathematician, gets a call from her estranged brother Jim- also a genius, but of manipulation and blackmail rather than maths. Sabine agrees to meet him, hoping that he's turned over a new leaf. He hasn't. He has a new plan, and he wants Sabine's help: to be the undoing of the only one who might be smarter than the Moriartys- Sherlock Holmes.

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