Ridley Scott returned to the Alien franchise that he started with “Prometheus” (2012), a prequel to the original movie “Alien” (1979). Covenant takes up the story at the end of Prometheus, with a spaceship full of human colonists in stasis en route to an alien planet; a small crew is also in stasis and the ship is run by its computer and an android, Walter. An incident forces Walter to wake the crew early into the journey, and a signal is detected that may be of human origin from a nearby planet. When the crew land on the planet they discover the relics of a dead civilisation and some familiar life forms…
