Fiona tries to prove the Gallagher home is suitable for rehabilitating a delinquent after receiving a letter from Carl's teacher; Lip gets busted taking the SAT for fellow students in exchange for cash; Kash and Ian are ashamed at their failure to stop a string of robberies at the Kash and Grab; Frank's poor business acumen continues to have negative consequences.

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.

Fiona spends her summer with a new guy and bartending, while Debbie runs a daycare at their home. Meanwhile, Kevin realizes his extended weed-growing left him with a huge electrical bill and Frank borrows his youngest son Liam to help him pay a debt.

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.

Monica returns to party and plot scams with Frank, but the rest of the family suspects she hasn't returned to stay; Fiona reconsiders her decision to kick Lip out of the house; Grammy's death affects everyone differently, and leaves Frank determined to make sure he gets every last penny his mother left behind; Sheila and Jody think Eddie's ghost is haunting the house.