Hundreds of cash-strapped contestants accept an invitation to compete in children's games for a tempting prize, but the stakes are deadly.Starring: Lee Jung-jae, Lee Byung-hun, Wi Ha-joon, Im Si-wan, Kang Ha-neul, Park Gyu-young, Lee Jin-wook, Park Sung-hoon, Yang Dong-geun, Kang Ae-shim, Jo Yu-ri