Mia returns to her father Frank’s struggling boxing gym with her 2.5-year-old son Leo to restart their life. Rival Victor tries to seize the gym through debts and threats. Little Leo, with a pacifier, has superhuman strength yet hides it. Mia forbids using him as a weapon. She fights in City Fight Night despite her old hand injury. Victor’s crimes get exposed, Leo’s power revealed. Still, Mia must win the final bout alone to reclaim their home.