A labyrinthine city. The first day of spring. A war that is just beginning. And a message. A strange message that traverses thousands of bodies and antennas, to end up with Svelta, the solitary girl of the tunnels. The sender is unknown. And yet, when Svelta receives this message, an unprecedented power will bloom within her and help her take control of her life. Soon, she will face all the powerful people of the city. Even the arrogant queen herself. But she has made up her mind. Nothing and no one can stop her. She will want to venture into the outside world. And there, amidst the beautiful sunflowers and the dangerous spider nests, she will search for the mysterious sender of the message. At the same time, in another city, a boy experiences something similar... A world that seems immovable, but that ultimately may be able to change. Just like our own world.