Meet the Stallone Family: Sylvester, wife Jen, and their three daughters Sophia, Sistine, and Scarlet. Sly rejoins his family after months on the road shooting his new series Tulsa King. The girls plan to prank Sly on his birthday.

Sophia struggles with a long-distance relationship and turns to her family for advice. The girls visit their Uncle Frank's unique house in an attempt to get to know him better.

Scarlet can't wait to move away to college and embrace her independence, but Jennifer is having a hard time letting her last child go. Sly's TV shoot schedule forces him to miss a key moment in his daughter's life.

The family is concerned about Scarlet spiraling after a break up and call on Sly to get involved; Sly accompanies Frank to his big concert in Atlantic City and worries that Frank's habitual bad luck will derail the show.

As she gears up for her annual heart check-up, Sophia talks to Sly about the emotions surrounding her heart surgeries. Worried about his daughter's safety, Sly discourages Sistine from riding horses.

Sly plans an emotional return to his childhood home of Philadelphia to show his children his humble roots. Scarlet embraces her newfound college independence and ditches the family trip - causing family turmoil.