A teen girl, Aideen, makes a journey from self-protectively tough to ready and willing to face her main problem: her single mother's alcoholism. Aideen's best (and only) friend is pulling away. Her mother's drinking problem is a constant concern. She's running out of diseases to fake so she can skip PE. When she sees her nemesis, overachiever Meabh Kowalski, in the midst of a full-blown meltdown, she sees a problem that-- unlike her own disaster...