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.

Park Sun-Woo works as an anchorman at a TV broadcasting station. He is in love with newsreporter Joo Min-Young, who is bright and honest. Park Sun-Woo then obtains 9 incense items, which allows him to go back 20 years in time. Park Sun-Woo travels to the past.

An unappreciated old granny magically turns 20 years old again and decides to make the most of her newfound youth.

As humans turn into savage monsters and the world plunges into terror, a handful of survivors fight for their lives — and to hold on to their humanity.

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.

Woo-jin, a furniture designer who wakes up in a different body every day, falls for Yi-soo, a woman he meets through his work.

A young, rookie lawyer with a strong sense of justice joins a top law firm — navigating the complex legal world under a cold, demanding mentor.

At the same time as murder suspect Yeo-hoon is brought unconscious to the emergency room following a shooting incident, an assailant breaks into the house of Tae-jun, the emergency room's doctor in charge, and kidnaps his wife. The kidnapper calls the doctor and tells him to bring Yeo-hoon to him. To retrieve his wife, Tae-jun has no option but to save the patient and sneak him away before the police can notice.