In this episode. Catching a potato thief with clever soil analysis, and who’s been tampering with some secret love notes? AND the serious case of the missing restaurant vases, and finding out who put a huge scratch in Dad’s precious fishing boat. Missing Potatoes Harrison and Kate discover that someone has stolen a basketful of Gran’s prize potatoes. But the thief left some telltale soil at the scene, and the kids track down the culprit with a fizzy soil test. Envelope Tampering A busybody has been tampering with Imogen's love notes, so she sets a trap with decoy letter. With some clever analysis of glue patterns, Imogen and Sachin soon expose the mischievous meddler. Restaurant Thief Laura-Mae and Zoe are setting the tables in the family restaurant when they find that someone has stolen the table vases. But the thief left a black thread at the scene and the girls use it to track down the thief. Scratched Boat Imogen and Jed find a huge scratch along Dad’s boat. But with the h