On an impromptu bring-your-kid-to-work day, Kaktus goes on a bus trip with tour guide and mother extraordinaire Brá. Together with a group of eccentric sightseers they venture on a classic day tour of waterfalls, furry horses and postcard perfect landscapes. But their day takes an unexpected twist when Kaktus spots something glowing red hot in the distance…

Award-winning author and illustrator Rán Flygenring is a true volcano aficionado. After trekking to the eruptions on Reykjanes peninsula nearly two dozen times, she now brings to life the dazzling volcanic spectacles she experienced there in the thrilling and sometimes perilous events of this book.