When the virus is found in London, political leaders send a team led by Major Eden Sinclair (Rhona Mitra) to Scotland to find a possible cure.

In producing the film, he drew inspiration from various movies, including Mad Max, Escape from New York and 28 Days Later.

Rotten Tomatoes reported that 49% of critics gave the film positive write-ups, based on a sample of 69, with an average score of 5.1/10.

[6] Marshall went on to write and direct the 2010 historical war film Centurion, starring Michael Fassbender and Dominic West.

[7] Marshall directed episodes of several television series, including Black Sails, Constantine, Hannibal, Westworld, Timeless, and Lost in Space, the lattermost two of which he also executive produced.

He was nominated for a Primetime Emmy Award for Outstanding Directing for a Drama Series for his work on the Game of Thrones episode "The Watchers on the Wall".

[10] Marshall has since disowned the film, criticizing the script and calling the job "the worst professional experience of my life."