The Mystery of the Antique Cabinet of Karl Berne

Borya Karamelkin and Nastya Zaitseva are complete opposites. Nothing connects them until Boris finds a mysterious diary with an investigation into the treasures of merchant Karl Berne. Now the kids are following a trail that was lost many years ago. Their goal is to find the famous Berne medallion, which disappeared under tragic circumstances. Will the heroes be able to find the treasure that separated Karl Berne from his family, and will it help Nastya and Borya get to know each other better?