The Trace Leads to the Silver Lake

After knowing the intentions of Frank and Doll, who are none other than to get the treasure that is said hidden in the depths of Silver Lake, the bandit Cornel Brinkley and all his men will have as objective to deterner them before they get their way. To achieve this, they will have to embark on the Dogfish, the typical steamboat that runs along the gigantic Mississippi River. Although there are many men accompanying him, prominent among them Old Shatterhand, a well-known hero in the west of the country. He encouraged them to help them after learning of the explosion in the ship's engine room. While the ship seems to go down, Cornel manages to get the map that will lead to the precious treasure hidden in the lake. However, it seems that someone will help Frank and Doll in the shadows...