The Bullet Train

A former businessman who lost his manufacturing company to bankruptcy and separated from his wife and son a year earlier is desperate to make ends meet and start over. He collaborates with an activist and a former employee in an elaborate plot to extort money from the government. He threatens that one of Japan's Bullet Trains will explode if it drops below 80km/h unless his ransom is paid. It's a race against time for both the passengers and police to find and defuse the bomb before an imminent catastrophe unfolds.