格雷塔（凯拉·奈特莉 Keira Knightley 饰）抛弃了一切跟随着男友戴夫（亚当·李维 Adam Levine 饰）来到美国纽约实现他们的音乐和爱情梦想，没想到曾经幻想过的美好一切化作泡影，在获得了更好的工作机会后，戴夫果断抛弃了格雷塔，留下她一人苦苦在底层挣扎。 　　丹（马克·鲁法洛 Mark Ruffalo 饰）最近的生活也不好过，他发现自己无法从思念前妻马瑞安（凯瑟琳·基纳 Catherine Keener 饰）的感情中走出来，与此同时，他的女儿维奥莱特（海莉·斯坦菲尔德 Hailee Steinfeld 饰）正处于一生中最叛逆的阶段。丹和格雷塔，命运让这失意的两人于一间小小的酒吧里相遇了，等待着他们的，会是怎样充满波折而又浪漫满满的故事呢？Gretta (Keira Knightley) and her long-time boyfriend Dave (Adam Levine) are college sweethearts and songwriting partners who decamp for New York when he lands a deal with a major label. But the trappings of his new-found fame soon tempt Dave to stray, and a reeling, lovelorn Gretta is left on her own. Her world takes a turn for the better when Dan (Mark Ruffalo), a disgraced record-label exec, stumbles upon her performing on an East Village stage and is immediately captivated by her raw talent. From this chance encounter emerges an enchanting portrait of a mutually transformative collaboration, set to the soundtrack of a summer in New York City.