Follows the lives of the Gallagher family, six children who live with their alcoholic father.

Season two dives headfirst into the sweltering heat of a Chicago summer, grabs Gallagher family life by the throat, and never lets go. Boozed-up Frank's scams constantly fizzle. Grammy Gallagher visits after a prison stint. Bipolar Monica returns to fan Frank's flames. Fiona plays the field--until Steve comes back with a hot new wife. Lip drops out to care for his and Karen's baby. Ian's gunning for West Point.

Frank comes out of a drug-induced haze and decides it's finally time to be a contributing member of society. Fiona faces hard decisions when she discovers her success as a landlord may mean someone else's misfortune. Lip struggles with staying sober, while Ian takes up a cause in hopes of getting back with Trevor. Debbie builds her future at welding school while juggling life as a single working mom, as Carl gets creative finding tuition money after...