Watch Lights On for Free: How to Stream the Movie Online at 123Movies. . The documentary portrays five people trying to recover from alcoholism or substance abuse. The different narratives present different aspects of addiction: there is an artist who stopped drinking without the help of Alcoholics Anonymous; a sober man for 23 years who helps anyone trying to overcome drug addiction; a woman who has been hospitalized; a retiree who has yet to overcome his addiction; and a recovered man who lives on the outskirts of Rio de Janeiro.