They continue their sexual relationship with each other throughout the film.
After some uncertainty in taking the sergeant's exam as depicted in "", she passed the exam and began wearing her sergeant's uniform as well as commanding her own uniformed officers in "".
She is one of the few of the Gallagher children to get along with Frank and even call him Dad on several occasions, although her tolerance of Frank's actions wanes over the years.
Sheila quickly develops sympathy for Peggy after seeing her struggle with her illness.
He helps her with a scam, in exchange for half profit.
During season 7, she went by her middle name when Debbie and her siblings became estranged from Frank temporarily, as Debbie changed her name back after going to Frank for help.