Vol. 4 contains two complete self-contained stories: The red powder - On their way to the Farlands, Frigiel and his friends run out of food, but end up discovering a hidden town called Redstone City. In this beautiful place, everything is possible. But our heroes quickly become disillusioned when they find they cannot leave. Trapped, together they must find a way to escape from this technological nightmare... At the end of the world - Frigiel and his friends arrive at Lost Tru, the last village before the Farlands. But there stands an insurmountable wall that prevents them from continuing on their way. An intrepid young girl, Clara, offers to help them. They accept and off they go towards the unknown and beyond...in a universe where the usual rules no longer work. Will they then be able to return from the end of the world?