As Mu Yao lies on the brink of death in the real world, she becomes bound to a “quick transmigration System.” Her mission is to travel through “screen worlds” made up of classic characters played by Xiao Zhan and change their tragic fates. Her first world is Where Dreams Begin. Her goal is to stop Xiao Chunsheng from leaving the military due to an injury and to clear up the misunderstanding between him and He Hongling. But Chen Hongjun, a fellow soldier jealous of Xiao Chunsheng's talent, secretly interferes and fabricates evidence, trying to brand Xiao Chunsheng a deserter for good. With a countdown hanging over her, Mu Yao has one month to find crucial evidence. Otherwise, Xiao Chunsheng will not only lose his military career, but, brokenhearted, will also meet the lonely fate he had in the original story. This leaves her with a difficult choice: follow the System's instructions and complete the mission in the safest way, or risk being rejected by the world and use “unconventional” methods brought from other worlds to gamble on a happier ending? As she enters worlds such as Ace Troops, where she meets Gu Yiye, and Sunshine by My Side, where she meets Sheng Yang, she discovers that these worlds are not independent. A common shadow seems to be manipulating the tragedies behind them. Meanwhile, the System's cold mission prompts pull her in one direction, while her genuine feelings for these “paper characters” tug her in another. She must fight antagonistic agents in different worlds, from prejudice among Gu Yiye's superiors to workplace bullying in Sheng Yang's world,
