When the Gallagher's find out Veronica comes from a wealthy family, they try to scheme a fake wedding for the dowry. Meanwhile, Frank gets some bad news about his health.

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.

Fiona starts to plan for her future now that Monica is back but her reprieve may be short-lived as Monica falls apart, spends the squirrel fund and gets arrested; Steve conspires to reunite Estefania with her true love so that he can be with Fiona; Lip and Ian learn the true identity of Mandy's baby; Sheila takes in a homeless crack addict.

The city of Chicago gives notice that they're doing work on the sewer main. The problem? Aunt Ginger's bones are still buried in the yard and Frank needs to find her before the city does. Meanwhile, Fiona is picked on at work for not satisfying her boss. When Fiona fails to provide the support Jimmy needs, he turns to Este. Molly learns that she's a boy and Ned asks Ian to rob his wife's house.

Frank and Fiona go to extreme lengths in court to claim custody of the kids.