This is one of 5 films Damien Sung made while working on the set of 28 Weeks Later. There are so many resources lying around on the film set that are often doing nothing. He decided to commandeer as much as he could and make some short films in the down time. This technique he called Surfing the Main Unit. In this film all the props, actors, guns and special effects are borrowed from the film, 28 Weeks Later.