Meeting 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 TV series and the girls plan to prank him on his birthday.

Sophia struggles with a relationship and turns to her family for advice; the girls visit their Uncle Frank's unique apartment 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.

Scarlet gets her first big break and heads to Oklahoma to act alongside Sly on his upcoming streaming series, Tusla King; after receiving pressure from their dad, Sistine and Sophia debate having their unfiltered Uncle Frank on their podcast.

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.

Sophia is worried she will never live up to the success her parents have achieved, and it starts to hurt her burgeoning literary career; Sistine finds success with her horror movie script, which causes a bit of sibling rivalry.

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, which causes family turmoil.