Through his bond with his owner, aspiring Formula One race car driver Denny, golden retriever Enzo learns that the techniques needed on the racetrack can also be used to successfully navigate the journey of life.

Rocky Balboa, now in his late fifties and retired from boxing, lives a quiet life as a widower, Adrian Pennino having died from cancer four years prior. He now runs a small but successful Italian restaurant named after her, where he regales his patrons with stories of his past. He also battles personal demons from his grief over Adrian's death, the changing times, and his eroding relationship with his son Robert, a struggling corporate employee. Paulie Pennino, Rocky's brother-in-law, continues to support him whenever he can, and is guilt-ridden over his poor treatment towards his late sister.

Three years after his loss to "Pretty" Ricky Conlan, Adonis Creed scores a string of victories, culminating in a victory over Danny "Stuntman" Wheeler to win the WBC World Heavyweight Championship. Now a worldwide star, Adonis proposes to his girlfriend, Bianca Taylor, who agrees to marry him. When Bianca suggests starting a new life together in Los Angeles, Adonis is reluctant to leave his life in Philadelphia behind.

After moving his family back to his hometown, Lenny Feder and his grown-up childhood friends learn lessons from their kids -- and some of the locals.