At 26, Xu Mengmeng is misdiagnosed with late-stage brain cancer. Reflecting on her life filled with betrayals by her boss and boyfriend, and mistreatment from her family due to favoritism, she decides to live recklessly. At a bar, she splurges on hiring a male model but mistakenly meets Xu Siyan, the true heir of the Xu Group. Due to a misunderstanding, Mengmeng is believed to be the chairman's daughter and quickly rises in the company. Siyan joins the company as her subordinate, leading to comedic misunderstandings about their identities and the bar encounter. Eventually, Mengmeng discovers the diagnosis was an error, falls in love with Siyan, and together they bring down those who wronged her, living happily ever after.
