Game designer Qing Wan falls into a long coma after a car accident. Her fiancé, Lin Xian, CEO of a top gaming company, tries to revive her by connecting her consciousness to the "Dreamscape" engine, a simulation system that has replicated the real world. However, when Lin Xian enters this simulated world, he discovers that Qing Wan has forgotten him... To help Qing Wan regain her memories, Lin Xian encourages her to develop a game about dreams called "Qing Wan's Forest." Slowly, Qing Wan's memories begin to come back to her. Meanwhile, Lin Xian's main competitor, He Fan, plots to steal the technology behind "Dreamscape." He bribes Lin Xian's assistant, He Lanxue, to plant a virus in the simulation, making the dream world increasingly perilous. Faced with these dangers, Lin Xian decides to sacrifice himself to rescue Qing Wan. At the same time, Qing Wan embarks on her journey of awakening..