Ambrosia "Amber" Regio has always had an amazing voice. Se left people stunned when she sang. She won all the singing competitions. Her mother never allowed her to sing anywhere else. Her mother made it very clear that her voice was a weapon, a tool, and she wasn't allowed to use it casually. But when inexplicable things began happening and secrets unfurl, along with a dark foe, Amber begins to understand why exactly it's so powerful. And maybe, she'll have to start using her voice.