In 1930's Boston, Montana Jones embarks on a globetrotting adventure with his cousin, the esteemed professor Alfred Jones. Their mission is to collect long-lost artifacts and deliver them to museums. With aid from Alfred's wise mentor, Professor Gerrit, the duo is equipped with valuable information gleaned from LPs. Accompanying them on their travels is Melissa, a wealthy journalist with proficiency in a multitude of languages. However, their efforts are impeded by the cunning Lord Zero, a peculiar and affluent art enthusiast with a talent for thievery. Serving as Lord Zero's loyal henchmen are Slim and Slam, while the brilliant inventor Dr. Nitro crafts outlandish engines to assist in their pursuit of treasures.