Summary of the musical Mamma Mia! :
On a small Greek island, Sophie dreams of a perfect marriage - one where her father accompanies her to the altar. The problem? Sophie does not know who her father is! Her mother, Donna, the former singer of the 1970s pop group Donna and the Dynamos, refuses to talk about the past, so Sophie decides to take matters into her own hands. Glancing through her mother's old diaries, she discovers three possible fathers: Sam, Bill and Harry. She secretly invites them to the wedding, convinced that she will know her father when she sees him. But when the three do arrive, it might not be as clear as she thought!