In a transformed Mississippi Delta where magic and music have become one, this story follows Afro-Martinican siblings Ayanna and Talib Doumbe as they navigate a world where reality has been fractured by mysterious sky-tremors. The once-familiar landscape has transformed into a bioluminescent archipelago where memories materialize as visible echoes and music can reshape matter itself.
The siblings discover their powers as Chord-Bearers when their instruments transform during a catastrophic event that reshapes New Orleans. Aided by Solomon Brand, a mystical cartographer who creates living maps, they must prevent Lord Ashcroft, a colonial revenant, from capturing the Heart-of-Starlight - an ancient power source that maintains the balance between music and matter.