When a mysterious cataclysmic event, "the Blue Flash," causes the Earth's population to shrink in size to six inches tall, suddenly humanity has the tables turned on itself, and Mother Nature beings to exact her revenge. Amidst the confusion and turmoil, a teenage brother and sister - Mouse and Beat - emerge as the most promising leaders, setting out on a quest to discover the secret that can redeem this strange new world. But despite their courageous efforts for survival, a dark force grows!