Watch Sivan for Free: How to Stream the Movie Online at 123Movies. . Alex, who is a honest cop, gets his whole family brutally murdered and himself executed by a terrorist leader, Jupiter. Later scientists resurrect Alex by exhuming Alex's body, replace most of his body with cybernetics, leaving his human brain and he becomes Sivan. Sivan, assigned to Alex's former city, proceeds to efficiently rid the streets of crime. Finally Sivan to face Jupiter to Clean the city & to avenge his family..