No Fixed CP + All Characters' Funeral Pyre + Transmigrated Supporting Female + Plot-Focused, Unemotional Female Lead: Jane Doe dies from a brain aneurysm and is transported into a chaotic fusion of soap opera-like CEO novels, where she takes on the role of a stand-in for a wealthy family's fake daughter with a twist. She activates the Billion Dollar Stand-In System. Jane: For the sake of living, I endure! She treads the wildest path and crafts the most singular persona. Thus, Jane wraps herself in her small, diligently playing her part as a stand-in. Finally, the day the real heroine returns, Jane retreats with a billion in wealth: No men in heart, money comes naturally divine! Unexpectedly, the system crashes, forcing her back. Cornered, a tycoon with crimson eyes coldly laughs and questions: "How long have you been deceiving us, Jane?" Jane smiles slightly: Sorry, our agreement didn't include after-sales service!

Ella Thompson, a modern woman, finds herself transported into a 1970s-era novel, where she takes on the role of a female supporting character who shares her name. In the book, this character is known for her manipulative and self-centered behavior, seeking to leave her husband and move to the city. Upon her arrival in the story, Ella lies in a sickbed with her husband, a handsome and brooding man named Jack Shen, by her side. He offers her a divorce, but seeing his rain-soaked and muscular form, she hesitates, saying she needs to think it over. As she navigates the complexities of her new life, Ella must decide whether to follow the path of the original character or forge her own way in a time period that is both foreign and challenging.