The exciting adventures of five children who set out to vindicate a school friend wrongly accused of theft from the local museum. The exciting adventures of five children who set out to vindicate a school friend wrongly accused of theft from the local museum. The exciting adventures of five children who set out to vindicate a school friend wrongly accused of theft from the local museum. The exciting adventures of five children who set out to vindicate a school friend wrongly accused of theft from the local museum.