Jack (Bradley Cooper) is a well-known country singer, but his drinking habits have repeatedly made his career stagnate. One day, in the bar, Jack met a resident singer named Ellie (Lady Gaga), in Ellie, Jack found amazing talent. Once, Ellie had a passion and dream for the music career, but the reality disappointed her again and again. Over time, Ellie lost the motivation to move forward. Although she has excellent creative ability, Ellie never sings the songs she writes in the bar. At the same time, she also understands that although the audience likes her voice, they stay away from her not-so-good-looking appearance. Jack was deeply attracted by Ellie and decided to help her find her original intention. In the process, two lonely hearts slowly approached.