Julian Harvey

An investigation into a government cover-up leads to a network of abandoned train tunnels deep beneath the heart of Sydney. As a journalist and her crew hunt for the story it quickly becomes clear the story is hunting them. (imdb)

A catastrophic train derailment sends the city spiraling into chaos. But the derailment is just the beginning. A biological gas attack sees crash survivors collapsing and dying within minutes. And the sickness is spreading rapidly. (IMDB)