Requiem for a Mezzo

Daisy Dalrymple is enjoying a delightful performance of Verdi’s Requiem, but when all that emerges from the doomed diva’s vocal chords is a dying gasp, Daisy soon discovers that the notoriously difficult opera star had her share of adversaries… Did someone fatally poison the acclaimed mezzo? Will Daisy’s investigation end on as bitter a note as Bettina’s fateful last performance?