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.

Immigrant nanny Aisha, piecing together a new life in New York City while caring for the child of an Upper East Side family, is forced to confront a concealed truth that threatens to shatter her precarious American Dream.