Watch On the Edge for Free: How to Stream the Movie Online at 123Movies. . Three flatmates in Mexico City face uncertainties: Lucía who has a great job as an art director for TV commercials is abusing alcohol and cocaine. She risks losing her job, going to prison for assault, and she's woefully in love with a bullfighter who may be two-timing her. Carmen, an artist without income, can be manic - snorting lots of cocaine and hanging out with a gay man and a transvestite. What's her future? Hanna contemplates divorce from Abraham, a wealthy momma's boy, and she's disoriented by feelings of attraction to Sandra, a customer at her jewelry store. Can any of these poor little rich girls sort things out in a world of excess?