Adapted from the novel "Apple" by Chao Planoy
看似平静的5班教室里，残酷的分级游戏如期上演。所谓“幸福班”的背后，充满了恶意与伪善，F级转学生成秀智又将会如何反击？
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.
