: Fiona is arrested for child endangerment, faces imprisonment, and is forced to confront that she has inherited the same "Frank-like" tendencies she once despised. Lip’s Evolution and Responsibility

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.

: Lip finds himself academically behind and socially isolated until he connects with Amanda, who helps him navigate the collegiate world.

The central arc of the season focuses on Fiona's transition from the family's "emotional anchor" to a legal and moral outcast.