On the surface, Su Ting's husband, Chen Wei, is just an ordinary programmer who occasionally has to "work overtime." That is, until she discovers that his "overtime" means entering all kinds of bizarre instance worlds to fight for his life. As the horrors of the Infinite World gradually encroach on reality, Su Ting is no longer content to remain a bystander under his protection. She chooses to enter his world and fight by his side, only to discover that their marriage seems to have been inextricably connected to this game from the very beginning…