Eva and Jackie are best friends. Together with Thomas they have made a secret hideout. Eva's parents are always arguing, sometimes they don't say anything to each other for a whole week, and the three therefore decide to punish the parents. They decide that Eva will run away from home. As Eva ponders the plan, she finds a letter in a colonel's yard. The letter she found then gets her into trouble, because suddenly she really disappeared without a trace. When she reappears after a few days, she is silent and looks at her father with even more suspicion… Secret letter was broadcast by Veronica between November 6 and December 18, 1983.

On her 13th birthday Katie, a talented young girl, receives a magical amulet. This amulet was on a quest to find the fifth and last witch to complete the order of the star witches. Because in it's incomplete form, the order is unable to protect earth against the evil witch Concuela. While Katie is exploring her new magical powers together with her best friend Roy, Grimbeck, the dandy gatekeeper of the star witches arena, as well as the evil Concuela are desperately trying to find Katie.