In 'Everyone on This Train Is a Suspect,' a gathering of authors aboard the Ghan, Australia's famous transcontinental railway, quickly transforms into a devious game of whodunit after one of them is murdered. The ensemble, equipped with expertise in crafting perfect crimes, must now don the hats of detectives to solve the case. But with each suspect skilled in the art of fictional killings, discerning the truth becomes a perilous endeavor ensnared with clever misdirection and lethal stakes.