Zhou Tianmi

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.

Tian Tian, the single mother of a five-year-old daughter, kills a drug dealer and is then pursued for vengeance. The only person she can turn to for help is her female cousin, Fang Di.