In a world where an aggressive alien race has driven humanity underground, survival is a daily battle beneath the surface. Young military rookie S.U.M.1 (Iwan Rheon) is thrust into the heart of the apocalypse when he’s ordered to the desolate surface on a desperate rescue mission. As he navigates the eerie, lifeless remnants of civilization, he soon realizes that the greatest threats may not be the aliens above, but the secrets hidden within his own mission. A tense, claustrophobic thriller that blurs the line between ally and enemy, friend and foe.
Sum1
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Frequently Asked Questions
What is Sum1 about?
In a world where an aggressive alien race has driven humanity underground, survival is a daily battle beneath the surface. Young military rookie S.U.M.1 (Iwan Rheon) is thrust into the heart of the apocalypse when he's ordered to the desolate surface on a desperate rescue...
When was Sum1 released?
Sum1 was released in 2017.
Where can I stream Sum1?
Check local streaming services and digital release platforms for Sum1 availability.




























































































