校内僵尸联谊会

曾是韩国最快短跑选手的姜九荣（河锡辰 饰），因伤病、离婚、负面传闻陷入生涯低谷，面临退役危机，只剩最后一次机会挽回挚爱、重拾荣光；同时，热血高中生姜胜烈（李信永 饰）为追求心仪的女孩智恩，踏上短跑之路全力冲刺。两代跑者的人生在赛道上交集，在速度与热爱中完成自我救赎，致敬韩国田径的尘封纪录。

　　A team of influencer bloggers decides to hold a ritual at the mansion of the "black countess". A fan of the supernatural, she disappeared without a trace after she was offered to play a game that was supposed to take her to another dimension. By evoking the spirit of the Countess, bloggers let otherworldly forces into the world. The one who can bring the demons back will survive.

　　一场车祸后，林月家里怪事连连，全身冰冷的姐姐，镜子里看不见家人的身影，黑夜里爸爸窥探的双眼，每天凌晨阁楼传来的弹珠声，林月循声而上，当阁楼的门被打开，却发现里面紧锁的却是自己的遗像……