Steve Sullivan returns home to Pittsburgh to celebrate his father, Jack Sullivan's birthday. He quickly learns that Jack is retiring and selling the family bar Sullivan & Son. Steve contemplates leaving his New York corporate life behind to buy the bar from his parents.

Now that Steve owns the bar he needs to set boundaries with his parents. When the health inspector shows up Ok Cha wants to pay him off, but Steve refuses and the bar is shut down for the first time ever. Without the bar, everyone seems lost except for Owen who discovers surprisingly productive ways to spend his time.

Steve hosts a party for the 50th anniversary of the bar bringing back a lot of people and memories, not all good. Steve and Melanie uncover a secret about the origins of the bar. Jack and Ok Cha quarrel over the unearthed details of their courtship. Owen and Carol act as wingmen for each other with their former high school classmates.

An annual father-and-son darts tournament triggers personal dramas, as Owen decides to find his biological father and Jack struggles with abandonment issues. Meanwhile, Hank and Carol try to conceal an old secret.

Professional and personal relationships are put to the test by an alleged pantry thief. Meanwhile, Owen pursues an oddball business venture with Ahmed; and Carol and Hank delve into new and old ways to date.

The guys discover that an old comic book is valuable, so they try to sell it to a collector. Meanwhile, Owen and Carol showcase a new act at the bar; and Steve and Melanie try to crack middle-school mysteries.

The dates come pouring in for Steve when Ok Cha creates a fake online profile for him. Inspired, the guys set up their own faux dating profiles and try to learn dating secrets from a highly regarded bachelor.

Carol gets the blues when she discovers she's going through menopause. Ahmed tries to make her feel better, but his attempts backfire.

Steve's con-artist sister arrives and stirs up trouble at the bar. Meanwhile, Doug tries to bolster his confidence; and Susan confronts Ok Cha about being overly critical.

Steve has to take on Hank as a client after one of Hank's coworkers (guest star Will Sasso) files an HR complaint against him for making 'inappropriate comments,' but the gang is hesitant to rally behind him. Meanwhile, Susan and her mother bond and spend time together after Susan provides her mother with a fake ID granting her senior citizen status.