In the early evening of August 21, 2015, the world watched in stunned silence as the media reported a thwarted terrorist attack on Thalys train #9364 bound for Paris. It was an attempt prevented by three courageous young Americans traveling through Europe. The film follows the course of the friends' lives, from the struggles of childhood through finding their footing in life, to the series of unlikely events leading up to the attack.

While traveling by train across Germany, two Americans investigate the mysterious disappearance of an English nanny

While a zombie-virus breaks out in South Korea, a couple of passengers struggle to survive on the train from Seoul to Busan.

An author is looking for a man to play the leading role in the film version of her book when she meets returning World War II soldiers on a train, and she is determined to turn one of them into the needed actor