The plot of the film sees a U.S. military veteran — Sergeant Rick Pedroni — return home changed and dangerous after a tour of duty in Afghanistan where he suffered an attack by a mysterious force. While officials dismiss his behavior as PTSD, and order trauma therapy, Rick's wife Kate discovers her husband has been possessed by a malevolent spirit. Kate has to race against time..我们的爱情,就像一首动人的歌曲,永远在我的心间回荡。