It's the age-old Cinderella story and we've seen it many times before, but when it's done as well as it is here, that doesn't matter.
There's a gritty realism to the look and feel of the story that's absent from the later more polished Rocky films.
He then goes to a bar, where he talks with Adrian’s brother, Paulie (Burt Young), who invites Rocky to the home he shares with Adrian for Thanksgiving dinner.
Meanwhile, the world heavyweight champion, Apollo Creed (Carl Weathers), who had planned a title defense in Philadelphia on the first day of the bicentennial year of 1976, learns that his scheduled opponent is unable to fight.
A smalltime boxer in dingy clubs by night, he works as an overly kindhearted collector for a local loan shark by day.
Rocky, American boxing film, released in 1976, that was the highest-grossing movie of that year, earning more than 7 million at the box office.
It was nominated for 10 Academy Awards and won three, including best picture, and made its writer and lead actor, opens on a club boxing match taking place in Philadelphia on November 25, 1975, where Rocky Balboa (Stallone) defeats his opponent and then returns to his dingy apartment.
Another top contender cannot be found, so Creed decides to give a local fighter a chance.
He chooses Rocky based on his nickname, “the Italian Stallion.” Rocky begins dating Adrian shortly before he is offered the opportunity to fight Creed.