The Sparticle Mystery follows a group of ten children left to fend for themselves within modern day earth after a science experiment at 'The Sparticle Project' goes wrong, resulting in all those of age 15 and over disappearing into a parallel universe, at precisely 11:11am. Initially the world becomes their exciting playground. With adults' rules, law and order all removed, the youngsters have great fun fulfilling many wishes, including raiding sweetshops etc. However, as the world's resources start to dwindle and daily survival gets harder, the youngsters resolve to bring the adults back by venturing to the top secret 'Sparticle Project'. They are aided in their quest by a number of clues left before the disappearance by a woman named 'Doomsday' Dora, a scientist who worked on the Sparticle Project. Along the way they have many adventures and learn important life skills.