share time: 2026-01-13 02:31:51
Lin Xiaotang, a 28-year-old socially anxious planner, practices saying "no" to clients three times before speaking, let alone confessing to her crush of three years. Until one morning, she wakes up as her 68-year-old grandma—the former "Iron Lady" who once stood up to her factory director and now leads a championship square dance team. Meanwhile, grandma takes over her body, wears her oversized hoodie, storms into her company, shuts down her toxic boss’s PUA, and even arranges a tea date with her crush. To Xiaotang’s horror, grandma insists on doing "10 things she didn’t dare to do when young" using her body, while Xiaotang is forced to handle square dance turf wars and help grandma’s best friend reunite with her first love after 30 years apart. As their wildly different lives collide, Xiaotang discovers the tenderness behind grandma’s "toughness," and grandma sees the vulnerability beneath her "shyness." But just as they get used to each other’s lives, a "7-day countdown" to swap back begins—to return to their bodies, they must find the love letter grandma never dared to send…
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