On the volcanic moon of Io, a scientist named Lyra studies the molten rivers and geysers, seeking to understand the moon's unique life forms. Known as the 'Volcano Whisperer,' Lyra is both respected and feared for her knowledge of the extreme environment. When a mysterious force disrupts the moon's delicate balance, threatening to erupt in a catastrophic volcanic event, Lyra must use her knowledge and ingenuity to find a way to stabilize the moon and protect the life forms that call it home.