Fans have been gripped by the second season of Squid Game, which sees previous winner Seong Gi-hun - Player 456 - (Lee Jung-jae) return to the secretive contest - this time under no illusion about just how brutal things would get. And those tuning in have spotted disturbing parallels with an all-too-real horror story. The South Korean series, created for Netflix by screenwriter and director Hwang Dong-hyuk, centres around a savage competition in which down-on-their-luck contestants battle it