《游戏大作战》改编自中国网络作家苹果樹树树的同名耽美小说《了不起的游戏之战》讲述的是作家赵一嘉的故事，该片面临顶级网络小说家叶栾（成龙饰）的抄袭指控。当证据消失和栾拒绝参与时，他试图为自己正名的努力受挫。这加深了一佳对鸾的怨恨。然而，他们出人意料地合作了一个项目。
Early 20th century. Polina arrives at a girls' boarding school on a mysterious island to find her sister who disappeared under strange circumstances. Polina's investigation is complicated not only by conflicts with other girls and the imperious mentor Zakharova but also by a strange obsession that drives the girls mad, one after another. Polina needs to find out what happened to her sister without losing her mind in the process and get off the island which is sinking in the abyss of insanity.
