Yu Jian

Ma Chenggang, a wealthy man in Xihong City, worries that his eldest son is too spoiled to succeed him. Determined to raise a capable successor, he takes an unconventional approach. They conceal their wealth, moving the family to a dilapidated neighborhood, and maintain an illusion of poverty, so that his son could develop qualities such as hard work, knowledge, careful budgeting, physical fitness, and perseverance.

At the age of seventy, a fiercely non-conformist grandmother partners with a lethargic, underachieving young prodigy to navigate the highly competitive and eccentric subculture of speedcubing, defying familial skepticism and generational expectations.