Fiona starts a new office job but has a hard time fitting in with the corporate culture. In an attempt to get medical coverage, Frank inadvertently becomes involved in the gay rights movement where he meets Abraham Paige, a powerful activist.

Fiona's job has brought structure ito her life, but when Jimmy drops a bomb on her things fall apart. Frank is happy with his newfound celebrity as the face of the gay rights movement.

Fiona and the family prepare a surprise high school,graduation party for Lip. Frank wins a bet and uses the winnings to take Lip out for lobster and some quality father/son time.

Frank returns, disrupting life; Lip attends college; Ian is missing; Fiona tries to connect with Debbie and Carl.

Fiona's series of bad decisions involving Robbie finally boil over. Meanwhile, Frank and Sammi pursue a cure for Frank's liver trouble and try to catch up on missed father-daughter time; and Lip gets a surprise visit at college from Army investigators.

Carl connects with a girl in detention; Lip and Amanda grow closer; Sheila returns with big plans; Fiona searches for a job; Mickey spends time with Ian.