Frank's newfound appreciation freaks the Gallaghers out.

Debbie carries a bag of flour around - determined to prove Fiona wrong.

Frank teaches Debbie how to work the system. Kev and Veronica visit Yanis.

Fiona confronts Patrick. Ian makes a discovery at the firehouse.

Frank helps Erica as Debbie ups her game. Lip tries to protect Helene.

Ian and Caleb get serious. Lip appears before a disciplinary committee.

Carl remakes the Gallagher home as his "crib." Debbie gets let go.

Fiona tries to make amends with Sean. Debbie and Queenie trek to a commune.

Sean moves into the Gallagher house as Fiona plans a traditional wedding.

A confrontation between Sean and Frank quickly descends into a brawl.

It's wedding day and Frank shows up uninvited - and high.