As Frank confronts his own mortality and family ties in his alcoholic and drug induced twilight years, Lip struggles with the prospect of becoming the family’s new patriarch. Newlyweds Ian and Mickey are figuring out the rules and responsibilities of being in a committed relationship while Deb embraces her individuality and single motherhood. Carl finds an unlikely new career in law enforcement and Kevin and V struggle to decide whether a hard life on the South Side is worth fighting for.