After failure after failure, the Hardy Boys go to a strange drilling site and find the Infinity clue there too. While staying at camp, they witness a boat disguised as carrying oysters passing by. The Hardy Boys witness strange flashes and go to the source to investigate.
After repeated failures, the Hardy Boys discover the Infinity clue at a strange drilling site while on a camping trip. They observe a disguised boat pretending to carry oysters and witness unusual flashes which lead them to investigate.