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.

A shy young diner waitress entertains her patrons with her beautiful singing voice. One handsome patron appears oblivious to her music, much to her consternation. It is a light bulb moment and realisation that allows her to sing her way into his heart.