Carl gets an early release from juvie and begins acting on a tough persona, selling weapons in school and continuing to work in the drug business.
With Caleb's encouragement, Ian begins working towards become a firefighter and he lands an EMT job at the end of the season.
In order to stay in the United States, Svetlana divorces Mickey and marries Veronica.
When the people who initially bought the house rescind the bid, Fiona attempts to get Gus to sign a sheet that recognizes his lack of property claim.
But Gus refuses, resentful of Fiona for her past infidelity, and requests for an amicable divorce.
At the divorce suit, Sean shows up in front of Gus and his lawyers and proposes to Fiona, who happily accepts.
To the family's surprise, Debbie names her daughter Frances "Franny" Gallagher, after her father.
While Sean leaves to fight for custody of Will, the rest of the family—including Caleb, Svetlana, Kevin, and Veronica—kidnap Frank and angrily throw him into the freezing river.