Occult horror-thriller Apostle stars Beauty and the Beast's Dan Stevens as Thomas Richardson, who returns home to London in 1905, only to discover that his sister has been captured by a cult led by the dangerously charismatic Prophet Malcolm (Michael Sheen) and is being held for ransom. Thomas sets out to rescue his sister, infiltrating the cult's island community and eventually uncovering an evil secret.
Watch it on Oct. 12.