Off the Rails: A Love Story S01 E06 Secrets and Lies

From Wanganui, Marcus travels by steam boat and milk train to Whangamomona. He goes to bed in a town of 40 and wakes up the next day to find he's one of 6,000. He then catches his first rail enthusiast train, with mixed results, and stays at the world's most unusual marae which has its own secret rail network.