Within Darkness (2015)

Rookie officer John Miller and his partners respond to a routine domestic call but instead find an unimaginable turn of events. John and his partners are thrown into the middle of a hostage situation with a demon-possessed crazed man. The demon uses its powers of deception to incite an impending massacre. Caught in a life-or-death battle between good and evil, John's faith is put to the ultimate test as he struggles to survive within darkness.