Five Go to Demon's Rocks (2) (S02E11)

The Famous Five have always been intrigued by the legends surrounding treasure hidden on Demon's Rocks, but they never imagined the tales could be genuine. That all changes when they stumble upon an ancient and precious gold coin, transforming a mere myth into a reality. Curious about the rightful owner of the treasure, the group is eager to investigate. However, they soon realize they’re not the only ones searching Demon's Rocks for the fabled loot, and they must uncover who else is on the hunt.