A seven-year-old orphan in desperate straits searches for her father, escorted domineeringly by seven max-level hardcore grandmothers, reshaping broken bones to reach the summit of a world champion! In the winter of 1994, seven-year-old Niannian, after her mother's illness and death, travels alone to Beijing to find her working father, but unfortunately falls into the hands of human traffickers. To escape the fate of having her bones broken to become a cash cow, she escapes with her astonishing body flexibility into a red-brick compound and is rescued by seven hardcore elderly women possessing extraordinary skills. Under the ultimate pampering and devil training of the seven grandmothers, Niannian overcomes the fatal injury of a comminuted fracture in her right hand, ultimately reaching the throne of the world gymnastics champion, searching for her father nationwide, and achieving a passionate, tear-jerking family legend.