The Clue of the Broken Blade

The Hardy Boys embark on an exhilarating adventure to uncover the secret behind a legendary broken blade, leading them to a dangerous plot. Meanwhile, the brothers also help their fencing master, Ettore Russo, prove his inheritance rights by finding the lost guard end of a broken saber. Their investigation intersects with a bank robbery involving their father's important records, resulting in a perilous chase with the robbers in California's grape-growing region.