It tells the story of a modern third-rate female writer who has been a solo writer since birth. She accidentally enters her unfinished novel and becomes a scheming woman in her own novel - Qian Zhenzhen, an arrogant but unimportant female supporting role. In order to change her fate as a cannon fodder in the novel, she joins forces with the third male character in the novel - her personal assistant Lu Li to start their supporting role counterattack journey and successfully harvest love. However, when the novel comes to an end, the female writer has to return to reality. Will this love across time and space end in vain?