"The Possession of Michael King" is a horror film that follows the story of Michael King, a documentary filmmaker who sets out to disprove the existence of the supernatural after the death of his wife. He decides to conduct an experiment by inviting demonic forces into his life, believing he can control the outcome. As Michael delves deeper into the dark world of the occult, he becomes increasingly possessed by a malevolent entity. The film explores themes of grief, skepticism, and the consequences of tampering with forces beyond human understanding, ultimately leading to a terrifying transformation.