When a composer must finish her late mentor's concerto, she discovers that playing its music summons deadly consequences.
| Actor | Role |
|---|---|
 Charlotte HopeMel | Mel |
 Julian SandsGustafson | Gustafson |
 Kate NicholsNancy | Nancy |
 Salomé ChandlerMiss Augustin | Miss Augustin |
 Oliver SavellColin | Colin |
 Philipp ChristopherFranklin | Franklin |
 Alexis RodneyPhilip | Philip |
 Pippa WinslowAlice | Alice |
 Aoibhe O'FlanaganZoe | Zoe |
 Boyan AnevPiper | Piper |