The film was shot during the Summer of 2009 , and because of actor 's scheduling conflicts filmed only on weekends , from June until August . A portion of the film was shot during the 2009 California wildfires . During the shooting of the final sequence the fires were as close as a thousand yards away from the house at which they were filming in Sunland , California . The production crew was encouraged by neighbors and local authorities to evacuate . Branin and Collins decided to rush to incorporate the fires into the plot of the film in order to finish shooting before they had to cut camera and evacuate
2009 California wildfires
2009 California wildfires
Goodbye Promise