The central arc of the season focuses on Fiona's transition from the family's "emotional anchor" to a legal and moral outcast.
With Fiona in legal turmoil, the burden of leadership shifts to Lip, who is already struggling to balance his South Side roots with his new life at Chicago Polytechnic. Shameless - Season 4
Frank faces near-certain death due to liver failure, forcing him to seek out a donor from his past. The central arc of the season focuses on
: After finding stability with a steady job and dating her boss, Mike Pratt, Fiona begins a self-destructive affair with Mike's brother, Robbie. Shameless - Season 4
Season 4 introduces one of the show's most acclaimed storylines: the development of Ian and Mickey's relationship.
