As Ronnie is cleaning his teeth one morning, he sees a message written in the "HELP!" it reads, "I AM A PRISONER IN A TOOTHPASTE FACTORY!"Later, there is an even more urgent "HELP! THERE IS NOT MUCH TIME!"So, with the somewhat dubious help of Uncle Roger, Ronnie sets off on the toothpaste trail, desperately trying to avoid the wicked clutches of the chemist.But when Mum and Dad are imprisoned in Glum's Toothpaste Factory, Ronnies mission becomes even more dangerous.Can he solve the whole extraordinairy mystery before he, too, becomes a prisoner?