Most people have had someone close to them stab them in the back. This song is about not only that experience but it's also a message about how it's okay to cut those people out of your life. There are plenty of good people in the world, don't waste your time on the bad ones.
On the surface, “The Fire” is a bouncy pop-punk anthem that combines catchy guitar riffs and punchy drums with pop-sounding melodies. However, the lyrics carry an emotional story that contrasts with the “happiness” of the track.