Lin和Jane是多年的好闺蜜，但Jane却暗恋对方很久了。得知Lin即将结婚，Jane选择默默守护，将爱意藏在心里。命运的转折点出现在Lin发现未婚夫出轨后，她借酒消愁，跑来找Jane诉苦。深夜里，Jane用身体安慰了心碎的Lin，却换来隔天Lin的冷漠翻脸。这一夜成为两人关系的转折。Lin逐渐意识到Jane的好，却发现Jane已心灰意冷，选择离开泰国多年。多年后，当她们再次重逢，Lin终于鼓起勇气主动追求这段感情，展开一场跨越时间的追爱之旅。
On the school's blacklist are Viking, the school leader; Buntad, the best in academics; Title, who always wins with money; Jimbe, a friendly, cheerful and beloved guy; Andrew, a handsome guy who can make every girl be obsessed; Highlight, the school's secret keeper; Traffic, who's behind the scenes of badness and the leader; and the school's secret mission, that's assigned for them...
