Original sentence: At this point, the SS arrives to deal with what was thought to be partisan activity.The Keep is a 1983 horror film directed by Michael Mann and starring Gabriel Byrne and Jürgen Prochnow.The SS actions only fuel the demon's rage and soon SS troops begin to die in mysterious ways.The demon is destroyed, but the stranger (who is revealed to be a super-human creature who imprisoned the demon centuries before) is mortally wounded.The film focused on a deserted citadel (called the "Keep") in Romania within which lives a dangerous demon.When the German Wehrmacht occupies the castle as part of protecting a mountain pass, the demon is mistakenly unleashed from the walls of the citadel and began killing German soldiers
Edited sentence: At this point, the SS arrived to deal with what was thought to be partisan activity.The Keep was a 1983 horror film directed by Michael Mann and starring Gabriel Byrne and Jürgen Prochnow.The SS actions only fueled the demon's rage and soon SS troops begin to die in mysterious ways.The demon is destroyed, but the stranger (who is revealed to be a super human creature who imprisoned the demon centuries before) is mortally wounded.The film focused on a deserted citadel (called the "Keep") in Romania within which lived a dangerous demon.When the German Wehrmacht occupied the castle as part of protecting a mountain pass, the demon was mistakenly unleashed from the walls of the citadel and began killing German soldiers.While an interesting concept and intriguing plot, The Keep is generally regarded as a low rate horror film