Four‑year‑old Daisy, blessed with superhuman strength, arrives at the declining Harrison underground boxing gym carrying mementos from her mother Eileen in search of her biological father Noah. With one punch, she drives off a group of invaders who came to challenge the gym, inadvertently saving the failing boxing club. She later reunites with her father and integrates into the big Harrison family.
Stubborn and sharp‑tongued yet soft‑hearted, Daisy enters a kids’ fun boxing competition and claims the championship. She gradually hones her boxing skills while bonding and adjusting to life with her new family. The whole family works together to prepare a surprise celebration for the gym’s 30th anniversary. Gaining genuine affection from her loved ones, lonely Daisy finally finds her place and belonging. The story is light‑hearted, heart‑warming, full of childlike fun and family bonds.
