Sandby becomes involved in a large swindle when his lawyer lets him in on a deal involving diamonds. Sandby's involved in a bait and swindle when his friend Horace lets him in on a great deal in diamonds.
Sandby gets a tip on some diamonds so Kate and Arnie fly him to Vancouver. Kate and Arnie accidentally discover that Sandby is being sold fake diamonds and call the police. Sandby has the diamonds appraised but is unaware that a switch took place after the appraisal. After verifying Kate and Arnie's story and finding out that he has indeed been swindled, the chase is on.—Jorge Reinaldo Galindo Porras