When a composer is tasked with finishing her late mentor's concerto, she soon discovers that playing the music summons deadly consequences, leading her to uncover the disturbing origins of the melody and an evil that has awakened.

上世纪40年代，博兹瓦纳开国总统赛莱兹·卡马与英国女性露丝·威廉姆斯的婚礼轰动世界，黑白人种通婚，引起了双方家族、甚至两国政府的反对。

Based on the books by Parnell Hall, The series sees Cora, who recently moved to the sleepy English town of Bakerbury with her niece, asked to help the local police with a strange murder where a crossword puzzle is left on the body.