The YouTube video explores the unique border town of Derby Line, Vermont, and its Canadian counterpart, Stanstead, Quebec, where the international border runs directly through the communities. It highlights the history of the incorrectly surveyed border and its impact on the daily lives of residents. The video features interviews with locals who discuss the challenges and peculiarities of living in a place where homes and buildings straddle the US-Canada line. The video shows landmarks like the Haskell Free Library and Opera House which is intentionally built on the border, and offers a glimpse into how residents navigate customs and cultural integration. It details the economic factors such as cheaper gas and medicine, as well as the social and cultural ties that bind the towns, despite international boundaries and border patrol vigilance. The video also discusses how events such as 9/11 and Covid-19 have impacted the border and the lives of the people living there.