“High Notes are Murder” deals with longing, revenge, and greed as it weaves its way through the darkest corners of the music business. For Liz Hanlon, a heroine with aspirations to sing and compose on a grand scale, rumors about a scandalous family history emerge when she discovers the body of her cousin at the foot of the stage where she is about to perform. Soon after, another close friend is murdered. Liz receives eerie messages that mark her as the next target. To save her career and her own life, she must find the killer.