Watch Alien Invasion: S.U.M.1

The Nonesuch - eerie, overpowering alien creatures - have forced humanity into hiding. Iwan Rheon ("Game of Thrones") stars as a young soldier assigned to guard a lookout post on the surface to protect the few remaining stragglers.

Alien Invasion: S.U.M.1 is a 2017 science fiction movie with a runtime of 1 hour and 35 minutes. It has received mostly poor reviews from critics and viewers, who have given it an IMDb score of 4.3.