A possible concise summary is:
Two Australian friends, Blair and Martin, who make a YouTube show about car modifications, go on a road trip in Hokkaido, Japan, with the help of JTB travel agency and Zenith car shop. They drive a turbocharged Suzuki Alto Works, a Subaru WRX and a Volkswagen Golf, and visit various places such as a nuclear fusion reactor, a sake brewery, a car auction house, an off-road park and a volcanic lake. Along the way, they meet local car enthusiasts, try different Japanese foods and activities, and have fun with their cars. They also learn about the culture, history and language of Japan, and make new friends. The film is a mix of adventure, comedy and education, with a soundtrack by Blair.
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