Frank goes on the run, while Lip decides whether to tell Sierra about Charlie's past. Fiona doesn't fit in with Ford's eclectic friends.
The Gallaghers find themselves with money to burn as Carl sells their inheritance from Monica.
Frank joins the workforce for the first time, while Fiona grapples with whether to evict someone; and Lip makes a plan to sabotage Charlie's chances with Sierra.
A violent meth dealer threatens the Gallaghers, forcing Ian, Carl, Lip and Debbie to find a way to pay him off without involving Fiona.
Fiona has a surprise visit from her past that forces her to reevaluate her life, while Frank becomes the most popular dad in the PTA at Liam's school.
While Ian helps Trevor raise money for a youth shelter, Carl loses his scholarship and gets creative with ways to find the tuition money.
While Debbie has a pregnancy scare and winds up in a compromising position, Lip enlists Carl’s help to search for his sponsor.
Ian tests Fiona's patience by bringing an "Occupy Fiona" movement to her front door, while Lip struggles to get Professor Youens to court for his DUI trial.
While Frank starts a booming import-export business, Lip interviews new sponsors and Debbie deals with being unemployed, while trying to afford school and raise Franny.
Ian's fame in the LGBTQIA community explodes, but his sudden surge of followers may be more than he can handle.
Lip takes in a terrified Sierra and Lucas when her father is released from prison, while Ian provides sanctuary to a runaway teen, despite warnings of the legal ramifications.
Fiona has to tap deep into her Gallagher roots to rid herself of the homeless family in her apartment, while Lip must make a hard decision to have the life he wants.