Dr. Louis Creed and his wife, Rachel, move from Boston to Ludlow, in rural Maine, with their two young children. Hidden in the woods near the new family home, Ellie, their eldest daughter, discovers a mysterious cemetery where the pets of community members are buried.

The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise but is actually a dark, dangerous world.