The family surprises Lip with a party for his high-school graduation. Frank starts bonding with Lip after learning that his alcoholism is affecting his health. Ian decides to enlist.
When questioning her future with Jimmy, Fiona takes the kids on a camping trip with her boss. Ian is heartbroken over Mickey's wedding to the girl he got pregnant. Lip is suspicious of Mandy. Meanwhile, Frank and Carl plan a heist.
Just when Fiona's life seems to be a little less complicated, Jimmy reveals his desire to return to med school. Elsewhere, Frank enjoys his newfound celebrity.
Fiona starts a new job at an office. Mandy affects Lip's future, while Karen pushes Mandy to the edge. Frank manages to become the public face of a gay rights movement.
After Cousin Patrick's appearance with another Aunt Ginger will leaving her house to him, the Gallagher's try to come up with a plan to keep him from evicting them from their home. Meanwhile, Frank has to leave Sheila's home with Hymie gone, but soon finds an alternative as live-in sponsor. Kev and V's baby-making plan introduces a new problem and Sheila makes a shocking discovery about her daughter.moreless
Fiona goes to great lengths to become her siblings' custodian, but Frank doesn't want to give up his paternal rights.
After the kids are taken away by child protective services, Fiona decides tries to figure out how to get the kids back, even going as far as turning to Frank for help. Meanwhile, when having Veronica's mother be a surrogate is proven a challenge, Kev and Veronica decide it's time for desperate measures.moreless
The city of Chicago is digging up the sewer main. This is bad because Aunt Ginger is still buried in lawn and the Gallaghers have to find her before the city does.
Carl heads off to cancer camp. Lip helps Mandy find her estranged younger half-sister, whose mother just died. With Frank on babysitting duty, Sheila tries to convince Jody to mix things up in bed. Meanwhile, Jimmy learns some truth about his dad.
Kev's wife returns and Veronica fears a connection. Frank's latest scheme is telling Carl he has cancer to scam a charity foundation. Meanwhile, sexual harassment arises when Fiona applies for a job as a cashier in a grocery store, and Lip leads a crusade to take down sex offenders in the neighborhood.moreless
Fiona stresses over booking a club night, while Lip stresses over the money she used to get the gig. Estefania's father recruits a hitman to follow Jimmy everywhere he goes. Meanwhile, Frank needs to find a new home.
Now that Jimmy is a little more boring, Fiona has to work on adjusting to the changes. Jimmy is confronted by his past. Frank, meanwhile, wakes up in a land completely foreign to him after one serious blackout.