Tarnation (2017)

Plot

Aspiring singer Oscar faces a double blow when she's ousted from her band and dumped by her boyfriend. Seeking solace, she retreats to a secluded cabin near the abandoned town of Tarnation. However, her escape turns nightmarish as a demonic unicorn lurks in the woods, driven by its sinister master who desires Oscar's blood to summon Satan. Oscar must confront this malevolent entity, which can possess anyone, to save herself and prevent an unimaginable evil from unleashing chaos upon the world. The stakes are high as she fights for her life and humanity's fate.