When the Emperor of China issues a decree that one man per family must serve in the Imperial Chinese Army to defend the country from Huns, Hua Mulan, the eldest daughter of an honored warrior, steps in to take the place of her ailing father. She is spirited, determined and quick on her feet. Disguised as a man by the name of Hua Jun, she is tested every step of the way and must harness her innermost strength and embrace her true potential.
Mia, a drug addict, is determined to kick the habit. To that end, she asks her brother, David, his girlfriend, Natalie and their friends Olivia and Eric to accompany her to their family's remote forest cabin to help her through withdrawal. Eric finds a mysterious Book of the Dead at the cabin and reads aloud from it, awakening an ancient demon. All hell breaks loose when the malevolent entity possesses Mia.