A teenage girl who halfheartedly tries to be part of the "in crowd" meets a dashing rebel who teaches her a more sinister way to play social politics.

Five years after meeting her three fathers, Sophie Sheridan prepares to open her mother’s hotel. In 1979, young Donna Sheridan meets the men who each could be Sophie’s biological father.

Inspired by the life of Jacqui Jackson, the story follows a self-sacrificing mother of seven children, four of whom are, in one form or another, autistic.