故事讲述了运河边长大的年轻人从花街到北京，在度过了他们青涩纯真的青春时光，也经历了积极而艰难的北上创业时期，当荣耀或失败都已成为过往之际，他们再次重归运河边的花街，寻找真实自我和人生意义的故事。 该剧改编自作家徐则臣的同名小说，原著曾荣获2019年第十届茅盾文学奖。
当阿珀的任务是记录男孩组合火星解散前的最后一场演唱会时，他无意中成为了领导者Thame最亲密的知己。Thame即将在韩国首次亮相，将乐队的其他成员抛在身后。 When Po is tasked with documenting boy group Mars' final concert before their disbandment, he inadvertently becomes the closest confidant of leader Thame. Thame's about to make his debut in South Korea, leaving the rest of the group behind.
