Lill is the only human on planet x, where everyone has been affected by an Al virus, but she somehow managed to avoid getting affected. She discovers in an old Al lab that a leaf from Earth could save her. So, she decides to go back to Earth, which people left a long time ago. She's on a journey to find this special leaf and save herself. It's a story about her determination to survive and how one leaf might be her only hope in a world taken over by machines.