Follows a secretive society which tracks supernatural beings like witches, vampires, and werewolves.

When Mary finds herself in a public scandal and the family faces financial trouble, the household grapples with the threat of social disgrace. The Crawleys must embrace change with the next generation leading Downton Abbey into the future.

As people across the globe are experiencing hallucinations, MI5 agent Zoe contacts Bill for answers. Catherine Durand detects unusual black hole activity.