To stop the Medusa Gang from stealing the treasures of the Qinling Mountains, Ma Xiaobolo and Zhu Daha discover the National Treasure manual in the S Invisible Library. Equipped with fascinating inventions like the Historical Scene Reenactment Fluid, an invisibility cloak, and flying boots, they set off into the mysterious depths of the Qinling Mountains. There, by applying the Historical Scene Reenactment Fluid, they travel through time and enter the scenes described in National Treasure. While evading dangers, they engage in a battle of wits and courage with the tomb raiders Medusa and Bucktooth. Thus begins a bizarre and thrilling treasure hunt.

In the end, with the help of Ma Xiaobolo’s mother, Dr. Eli, his father, Ma Dabolo, and the police officer Bao Dahuzi, the Medusa Gang finally finds no way to escape…