Debbie shows up at the church with Franny; Ian brings Caleb to meet the family; Frank reveals that Sean is a practicing junkie; Sean is desperate to keep his son in his life.
Sean moves into the Gallagher house; Fiona plans a traditional wedding; Kev is unhappy about the green card marriage.
Frank offers to pay for Fiona's reception; when Sean worries that Frank will only hurt Fiona in the end, he confronts Frank.
Kevin, Veronica and Svetlana start a topless maid service; Frank makes new friends; Debbie's new lifestyle ends; Carl has an STD scare; Ian struggles with a breakup.
Frank is concerned that he and his new family will lose their shelter; Fiona throws a speakeasy party at Patsy's Pies.
