In the twelfth lunar month of 1975, Lin Nian, a temporary worker at a supply and marketing cooperative, unexpectedly gains access to the check-in rewards of Lin Niannian, a woman who has entered a novel. Lin Niannian is determined to pursue Chen Qiming, the male protagonist of the book. Unwilling to work alongside him, Lin Nian transfers her recruitment quota at the steel mill to Zhao Tiezhu, and the two gradually fall in love. Lin Niannian repeatedly uses gifts from the system to win Chen Qiming's affection, only to be rejected time and again. When she exposes the system in front of everyone, their shared connection is severed. Relying on her savings and her own hard work, Lin Nian studies for academic examinations alongside Zhao Tiezhu, builds a family with him, and lives a peaceful life. Meanwhile, Lin Niannian's obsession comes to nothing, leaving her with a tragic ending.