Watch Las dos caras de Jano for Free: How to Stream the Movie Online at 123Movies. . It's December, but the people of San Juan aren’t feeling the Christmas spirit. A serial killer has snuffed the life out of some of the most renowned bachelors. A doctor, a dentist, a social columnist and a university professor are the most recent victims of the "The Angel of the Bachelors", a handsome young man who captivates closet homosexuals and stabs them to death following a sexual encounter with them.