share time: 2025-11-14 12:30:13
28-year-old Gu Yan, CEO of a tech company on the verge of bankruptcy, is at his wit's end when an old lady in a Republic of China-style cheongsam bursts into his office—with a cinnabar mole and a jade abacus—slamming the table and shouting, "Dear grandson, your great-grandma is here!" Gu Yan dismisses her as a fraud, until she reveals secrets only his late great-grandma (who passed away a decade ago) could know: the butterfly birthmark on his lower back, the time he stole her osmanthus wine and was chased three blocks. To his shock, she uses her old-fashioned business wisdom to help him outmaneuver rivals and even play matchmaker for him with Su Wan, the psychology PhD he's secretly admired. But just as Gu Yan's company rebounds, the great-grandma vanishes, leaving a letter: "Dear grandson, I didn't get to stay with your grandpa till the end. This time, I'm here to help you hold onto what's important—and to say the 'sorry' I never got to tell him."
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