Bobby Cobbler's beloved cat Conkers is missing. He soon discovers that a lot of cats from Pi Street are missing. In fact so are the ones from Chip Street and Dip Street too! What on earth is going on? Something mysterious that's for sure! Bobby is determined to solve this whiskery mystery and see the safe return of his pet, but little does he realize that the culprit won't rest until Pip Street is completely catless.