Watch Pretty Young Thing for Free: How to Stream the Movie Online at 123Movies. . It’s a new school year and at Rosenholm High School there are many initiation rituals that the new first-year students must go through, which are of great importance for their future life in high school, not least for their personal life. Best friends and freshmen Frida and Selma quickly become friends with another first-year student Nadja. When Frida catches feelings for Nadja’s older boyfriend Emil and is invited to the ritual party for first-year students but Selma is not, their friendship starts to fall apart.