After months of captivity to a pirating vessel, Perle's siren song is muted and their tail paralyzed, but their hope for escape rekindles as another ship seizes their floating prison. This new ship's captain seems different, with his brilliant smile and his promises that no human will ever be Perle’s master again. But he’s still a human himself, and a captor in his own way. The compassion he and his rag-tag human family show can’t be sincere… or can it?