Henry Indiana Jr. is seen riding a horse at a national park. He comes across a team of robbers and manages to steal a golden cross from them. The robbers attack and injure him. The local sheriff instructs Indy to return the cross to the owners. Upon seeing it, the robbers’ leader awards Indy with a hat. Later, Indy recovers it and gives it to the museum belonging to Marcus Broder. Indy’s father, Dr. Jones, was abducted by robbers who are certain that he knows the secrets of the Holy Grail. The robbers want Dr. Jones to lead them where the Holy Grail is hidden.
Dr. Henry Jones, Indy’s father, disappears during a search for the Holy Grail. Indy reads his father’s diary-which has been sent through the mail- and heads to Venice accompanied by Marcus. The two meet and interact with Dr. Elsa. Beneath Venice, Indy and Elsa come across watery catacombs. The two are directed where Dr. Jones is held. Although Indy is interested in finding his father, Elsa is interested in locating Holy Grails. The film shows how Indy sets off on a sequence of adventures to rescue his father. Finally, Indy rescues his father from the Nazis.
The search of Holy Grail continues. Indy is seen talking to his father on whether they should prioritize searching the Grail or rescue Marcus. The Nazis are still trailing them. The characters face many challenges on their way to get the Grail. Despite the risks, Dr. Jones, Indy, and Marcus survive the dangers and rides off into the sunset. The film shows how people can overcome challenges and emerge more robust than ever.
