Erin is over the moon when she manages to secure herself the editorship of the school magazine, The Habit. Especially when she uncovers an explosive story. Orla become obsessed by step aerobics, Da Gerry gets into trouble with Ma Mary and love is in the air for Aunt Sarah. Comedy, starring Saoirse-Monica Jackson, Louisa Harland, Tommy Tiernan, Tara Lynne O'Neill and Kathy Kiera Clarke. Last in the series.