The Dahanu Detectives are at it again. Having cracked the case of the Disruptions in Dahanu, they're looking forward to their holidays. Mini and her friends Krish, Richa and Aditya, are off to Gwalior for the Diwali vacations. Aditya's mother has a teaching assignment in Gwalior and the kids are going to stay with her in a lovely little house. An exciting train journey, with a suspicious passenger in their coach, brings them to the historic city of Gwalior in central India. Visits to the temples, palaces and forts of the ancient city enthrall the kids with their legends and mysteries. A chance encounter with another stranger in the Gwalior Palace leaves the kids with an air of intrigue. Caves, tunnels and forts are all jolly good. But when a priceless articraft is stolen from the local museum, the real fun begins. On a hunt for the thief, the kids are ready for the chase, facing many challenges along the way. With barely any clues, in a totally new city, the kids must rely on their keen observation, alert minds and brilliant detective work to solve the case. For ages 8 years upwards...