It is April 10th1968; Emma Cassidy boards the inter-island ferry Wahine. The overnight voyage from Christchurch's port of Lyttelton to New Zealand's capital of Wellington is expected to be uneventful. Captain Angus Robertson, reviews the latest weather report and, orders Wahine's departure. As the ship steams up the east coast of New Zealand's South Island, weather conditions deteriorate. Mammoth waves slam the ship, and torrential rain cuts visibility to mere meters. Robertson and his crew remain vigilant. While the ferry crosses Cook Strait and heads for her berth in Wellington harbor,...