The novel follows the adventures of the titular character, Bert Wilson, a young boy with a keen interest in wireless telegraphy, a cutting-edge technology at the time. As a wireless operator, Bert becomes involved in various adventures and challenges, showcasing his bravery, resourcefulness, and technical skills.The plot likely revolves around Bert's experiences operating a wireless telegraph set, which allows him to communicate over long distances using Morse code signals. This technology was revolutionary during that period, particularly in maritime contexts where it played a crucial role in communication between ships and shore stations.