Mark Elder is a Specialist Firearms Officer with Police Scotland, who is injured in the line of duty.

 

During his sabbatical in Croatia with his wife and young family, the unimaginable happens when the world is rocked by nuclear war.

 

Protecting their children with a veneer of normality, and an apparently impromptu, extended holiday, Mark and Dana flee south and attempt to outrun the advancing enemy forces.

 

Things take a dramatic twist in glittering Monaco, when Mark is tasked with delivering an incredible secret behind the true nature of the war.

 

Join Mark, Dana, the kids and the friends they make along the way, as they embark on a perilous mission to save the world from a dangerous foe.