Patience Evans works in the Criminal Records Office in the city of York. She views the world in a unique way because she has a special gift, she is autistic. Patience has a special interest in solving puzzles and a secret fascination and talent for criminology, her unique perspective allows her to connect the dots through clues in a way others simply cannot.

Detective Inspector Bea Metcalf recognizes her talents and takes her under her wing. Patience helps the police tackle a series of challenging cases by bringing her unique insight to crimefighting.