BV (Ryan Gosling) is a young man full of ideals and ambitions for music. In order to gain a foothold in the industry, he decided to work with super producer Cook (Michael Fassbender). Faye (Rooney Mara) is Cook's girlfriend and also his assistant. In the process of getting along with the three of them, BV and Faye gradually attracted each other. Although Faye and Cook have always been in an open relationship, BV's intervention still makes Cook feel very uncomfortable. In the end, the three people who are out of play parted ways. BV and a rich woman named Amanda (Cate Blanchett) came together. Faye found comfort in the lesbian Zoe (Bérénice Marlohe), while Cook and Roland (Natalie Portman) joined hands in the marriage palace.