This film is inspired by a real incident that happened during Ops Daulat that once shook the country on February 11, 2013. During the invasion, Sulu terrorists invaded Kampung Tanduo in Lahad Datu, Sabah. At the end of Ops Daulat, a total of 56 terrorists were reported killed along with six civilians. The battle also resulted in 12 national heroes perished after risking their lives to protect the sovereignty of the homeland.