A story of people who fail at life for various reasons, but suddenly receive a mysterious invitation to participate in a survival game to win more than 38 million US dollars. The game takes place at an isolated island and the participants are locked up until there is a final winner. The story will incorporate popular children's games from the 1970s and 1980s of Korea, such as squid game, literal translation of its Korean name, which is a type of tag where offense and defense use a squid-shaped board drawn in the dirt.Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits with deadly high stakes. A survival game that has a whopping 45.6 billion-won prize at stake.