Fiona turns her attentions to Tony, a cop who has had a crush on her since childhood, but Steve isn't willing to give up without a fight; Ian is targeted by the brothers of a girl he spurned; the whole family searches for elderly Aunt Ginger, who owns their house.

Sheila fears to lose Frank when he gives up drinking. While Lip suspects their dad hasn't changed, Debbie and Carl enjoy having Frank back in their life. Meanwhile, Fiona tries to find a better paid job.

Tony comes closer to discovering what Steve is doing, while Fiona makes a new friend. In the meantime, Lip helps Ian look for his father.

Fiona hopes her moral compass isn't leading her astray when she reconnects with her married high school crush, but when she finds an abandoned purse with over five hundred dollars inside, she assumes her luck is finally changing; Frank is willing to do just about anything to stay in Dottie's good graces, even marry her; after Harry's passing, Debbie becomes obsessed with death; Kevin thinks about buying the Alibi; Lip meets with a colonel to glean information for Ian about West Point; Jody asks Frank for Karen's hand in marriage.

Lip tries to get back in Karen's good graces by crafting a prenuptial agreement for her and Jody, while Ian continues to give Lip the silent treatment; Frank wants to kick Grammy out but Fiona resists until the basement meth lab explodes; Fiona is invited on a boat trip but doesn't realize Steve and his girlfriend are also attending.

It's a typical Gallagher nontraditional Thanksgiving that includes a suicide attempt by Monica, Carl shooting a bald eagle, and Karen going into labor; Steve agrees to allow Estefania's boyfriend to steal his identity; Ian sleeps with a businessman named Ned; Frank tries to get his share of his mother's money from his brother Clayton.

Frank helps Kev and V's pot business. Debbie prepares a princess party for Franny while Mickey gets a real job. Lip runs into trouble with his new neighbors. Carl's first day on the force is not what he thought it would be.

Kev and V announce their big news. Lip has some promising leads on selling the house, forcing Debbie to reevaluate her future and her history of regrettable love interests. Ian and Mickey try to adjust to a vastly different life on the West Side. Carl’s commitment to the force is challenged when he’s reassigned to an unglamorous police unit. Liam reminds Frank of everything that makes Frank, Frank.