年轻女孩贾桂琳用脚踏车快递来赚取她的生活费，某日一件重要的包裹失踪，包裹的主人黑帮老大以为她偷走，便派手下将她抓走，贾桂琳开始捲入纠纷…。Seven college students are forced to compete in children's games for survival. With their futures unclear, the secrets of their pasts are revealed.。