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. Action,Drama,Mystery Very compelling opening episodes, but when the actual plot unravels it makes you go, "Oh, that's just it? That's kinda lame". Great acting still, amazing sets, overrides the glaring flaws of the series, an enjoyable watch overall. 7/10.