Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits — with deadly high stakes.
Hee-soo is desperate for money and finds her ex-boyfriend who owes her money. He goes around to various ex-girlfriends to get cash and she trails along to make sure he does not cheat her.
Struggling to find success, a former wrestling prodigy finds himself ready to quit until he reencounters an old friend who reignites his passion.