Situated along the Pacific Ring of Fire, Taiwan often grapples with natural disasters, and the railway system, with a history of a century, relies on many behind-the-scenes individuals to ensure passenger safety. However, accidents are always unpredictable. In 2021, the Taroko Express experienced the most severe accident in nearly 60 years of Taiwan Railways history, bringing significant attention to the issue of railway safety. In the final episode, let's, alongside Andrew Chau, get to know the individuals who ensure trains run on time. The seemingly routine process of boarding and alighting is, in fact, guarded by a dedicated group of people working diligently to safeguard passengers.