一款神秘的应用程序承诺能实现愿望，却紧接着启动死亡倒计时。一群青少年因此卷入其中，他们必须打破这条致命连锁才能活下去。

Young-mi, the bookkeeper at a factory, is ridiculed for her dowdy appearance and called 'Ms. Apocalypse' by her colleagues. Do-young, a delivery driver, is the only one to show her any decency and kindness. As her feelings for him grow, Young-mi strives to get him off the hook even when she finds out that Do-young has been embezzling company money. It becomes the last day of 1999, and in the midst of people's fear that the world will come to an end, Young-mi gets arrested for aiding Do-young's crime. And thus, her new millennium starts wretchedly. As she walks out of prison after a few months, she comes across Do-young's wife, Yu-jin, waiting for her and this unexpected visitor makes an implausible but compelling offer.

Gi-hun is devastated by the loss of his best friend and sinks into deep despair after discovering that the Game Master had hidden his true identity to secretly infiltrate the game.

该剧背景设定在动荡的1970年代，讲述被财富和权力欲望所吞噬的男人白冀兑（玄彬 饰）和信念坚定的正义检察官张健荣（郑雨盛 饰）之间的故事。
立场不同的两人不断针锋相对，最终卷入了改变他们未来的重大事件。

该剧以20世纪60年代、韩国动荡不安时期为背景，人称“三食叔叔”的朴斗七 (宋康昊 饰) 愿景国家人人都一日三餐吃得饱。他遇上雄心壮志的理想主义者金产 (卞约汉 饰)，两人怎样逆转国家的命运？

该剧讲述了杀人案唯一的目击者兼嫌疑人尹异罗（金多美 饰）在10年后成为犯罪侧写师，与怀疑自己是嫌疑人的警察金瀚泉（孙锡久 饰）一起揭开隐藏真相的故事。

Three years after winning Squid Game, Player 456 gave up going to the states and comes back with a new resolution in his mind. Gi-hun once again dives into the mysterious survival game, starting another life-or-death game with new participants gathered to win the prize of 456 billion won.