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.

Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits — with deadly high stakes.