Scene 1: The Wedding
* Sophie is preparing to marry Sky on the beautiful Greek island of Kalokairi.
* Her mother Donna is also there with her best friends, Rosie and Tanya.
* Sophie is anxious and nervous about the wedding, but also excited to start this new chapter in her life.
* Just before the wedding, Sophie sneaks away from the party to read her mother's diary and discovers that she has three potential fathers: Bill, Sam, and Harry.
* She decides to invite them all to the wedding in the hope of finding out who her real father is.
Scene 2: The Arrival
* Sophie's three potential fathers arrive on the island.
* Bill is a Swedish adventurer and the owner of a travel agency.
* Sam is an architect and a family friend of Donna's.
* Harry is a British banker and a former lover of Donna's.
* The men are all surprised and curious to meet Sophie.
Scene 3: The Wedding Eve
* Sophie is torn between her three potential fathers.
* She seeks advice from her mother and friends.
* Donna comforts Sophie and encourages her to not be afraid to choose who she feels is her true father.
* Sophie spends the night thinking about who she wants to choose as her father.
Scene 4: The Wedding Day
* Sophie is feeling nervous and excited as she prepares for the wedding.
* She makes a decision on which man is the most likely candidate for her father.
* The wedding ceremony begins, and Sophie walks down the aisle with all three men.
* She declares her love for them and chooses to remain single, but still part of a family with them all.
* The wedding ends in a joyous celebration.