Jiang Ai, influenced by her mother's upbringing and childhood experiences, only accepts "Platonic love." She had a brief encounter with the male lead, Su Ying, in college and chose him as her "romantic partner." However, due to a mistaken identity, she wrote a love diary under the name "Su Ke," fabricating a perfect "boyfriend" to enrich her feelings. Years later, she unexpectedly rescues Su Ying from kidnapping and recognizes him as her "romantic partner," developing complex feelings for him. Su Ying, who had felt a "soulful attraction" to Jiang Ai in college, accidentally discovers her love diary before their reunion, mistakenly believing Jiang Ai and Su Ke have been dating for years, leading to a misunderstanding. Su Ke, one of Jiang Ai's newly appointed superiors, is quite interested in her; he too fell in love with her at first sight in college. The three face the same crisis at the same company. After solving the difficulties, innovating and improving the company's classic formula, and helping the two brothers reconcile, Jiang Ai also faces a choice regarding love…
