Evil is afoot. Grave, dark, evilly evil. And there are only two people in the universes who can stop this evil. Well, OK, there are others who could possibly do the job, but they are all busy or on holiday. This time the boys are caught up in a murder mystery. A shadowy figure walks the night unseen and unnoticed. The figure is none other than the Cheesy Clown Killer! Why cheesy? Well, the figure despatches its poor victims via the medium of cheese...