Ken is employed by Amelia Woods, a secretary at a local meat-processing factory, to investigate why various dictation tapes and letters go missing from the office and then re-appear a few days later. He soon learns from Bert and Joe, two of the drivers, that there is something very suspicious about the firm - strange late-night deliveries from Amsterdam that don't go through the books and are treated differently from the rest of the stock. And it seems that the owner, Mr Sandford, and his son-in-law, Trevor, are involved.Helped by Laura and Rocky, Ken stages a road accident to hold up the lorry containing the special cargo and they take one of the boxes back to Woodcote. Having thawed it out, they discover, hidden underneath the bacon, pornographic magazines and videos. ""Can you get that muck out of here. I find it extremely upsetting,"" Helen wails.Meanwhile, Harry and Helen are invited to a jousting tournament by a local businessman, Ben Seymour, and become mixed up in a bout of riv