Rupen is on holiday with his mom and dad, meeting his grandparents in the beautiful hill station of Shimla in the foothills of the Himalayas. Here in a mysterious location he discovers a key that no one remembers where it has come from and what it is for. Could there be treasure locked up somewhere that only this key can open? Or could it be something even more special for Rupen? To find out, join Rupen, the explorer, as he travels through exotic locations looking for the answer in this exciting travel adventure. Coming Up: In the next edition of the travel adventure, Rupen reaches the backwaters of Kerala on vacation. He learns that great many years ago, a legendary battle was fought on these shores. But no one really knows for sure Join Rupen as he travels through Kerala to find more about this engrossing folklore.