At the start of the school year at Rosenholm Gymnasium, a group of first-year students are thrown into a world of intense rituals and shifting social dynamics. When Frida falls in love with the older guy Emil and is invited to an exclusive friend group without her best friend Selma, their friendship begins to crack — and as feelings, secrets, and loyalties collide, Frida quickly finds herself losing control of her place in the high school hierarchy.