Infection. Infestation. Infinity... Can Ri untangle this latest madness? A terrible threat to humanity's existence which he helped create? There's something strange stirring within the sleepy town of Desert Lime. Faint and wild whispers in the wind. Otherworldly murmurs from across the expanse of space and time. Crafty shape-shifters have crept into his school. Ri is intertwined in another epic adventure where he's compelled to outwit bizarre life forms with insidious intentions. But first can he unmask their leader? A stealthy and mysterious alien called the Plague Doctor. No one is safe. In a race to determine who to trust he must stop the planet from crumbling into a barren wasteland before time runs out... That's it. No pressure. Will Ri step up and become the hero we all need? Once again, the fate of our world rests upon the shoulders of a snarky thirteen-year-old!