Watch Alien Invasion: S.U.M.1 (2017) HD Full Movie Free on solarmovie.do. Watch Alien Invasion: S.U.M.1 (2017) online free. An aggressive race of aliens took over Planet Earth and humanity's at its end, living in giant bunke...An aggressive race of aliens took over Planet Earth and humanity's at its end, living in giant bunkers below ground. Young Military rookie S.U.M.1 (Iwan Rheon) is sent to the surface to save a group of unprotected survivors.