In homage to Agatha Christie, the country's finest crime writers will spend several days aboard The Ghan, travelling from Adelaide to Darwin on the world-famous train.

Ernest is hoping to find inspiration for his next novel.

But when the first body is discovered, Ernest must seek out a murderer instead.

His suspects are his fellow writers - all experts in their field.

But how do you find a killer, when all your suspects know how to get away with murder?