As the victor of the previous Squid Game that occurred three years ago, Gi-hun has made the difficult decision to re-enter the competition. His motivation stems from a desperate need to uncover the true masterminds behind the games, particularly after the demise of the original creator, Oh Il-nam. Haunted by grief and trauma as the sole survivor, Gi-hun has spent the last three years using his prize money, amounting to a staggering 45.6 billion Korean won, to trace the games’ origins and bring those responsible to justice.

In-ho, who now holds the position of the Front Man of the Squid Game, emerged as the leader following the demise of the original game creator, Oh Il-nam, at the end of Season 1. He has been involved in the games since his own victory years prior, orchestrating the masked guards while dressed in an ominous all-black uniform.

Spoiler Alert: In an unexpected twist this season, In-ho decides to take on the role of Player 001, stepping into the games himself in a bid to impart a lesson to Gi-hun upon his return. Unbeknownst to Gi-hun, who only encountered the Front Man while masked, In-ho operates under the alias Young-il during the games.

Jun-ho is a dedicated police officer who infiltrated the Squid Game in Season 1, driven by the hope of finding his missing brother, In-ho, who disappeared after entering the deadly competition. In the finale of Season 1, Jun-ho discovers that his brother has become the Front Man overseeing the games. In a shocking turn of events, In-ho shoots Jun-ho off a cliff, seemingly sealing his fate. However, as Season 2 kicks off, Jun-ho is revealed to have survived and is working as a traffic officer, continuing his quest for justice.

Returning from Season 1, the Recruiter plays a crucial role in bringing desperate individuals into the chaotic world of the Squid Game. He identifies potential candidates and challenges them to a game of Ddakji. If they lose, they face punishment, but if they win, they receive cash and an invitation to join the deadly competition. He was the one who initially recruited Gi-hun into the games, setting the stage for the harrowing events that unfolded.

No-eul is a strong-willed woman who escaped from North Korea and is now working in an amusement park in South Korea. Tragically, she has been separated from her young daughter during her journey. Struggling to make ends meet, she hires investigators to search for her daughter but ultimately decides to take on a role as a masked guard in the Squid Game. In exchange for her participation, she hopes to receive support in her quest to find her child. Throughout the games, she secretly aids some players, including Player 246, a former coworker whose daughter is battling cancer.