In a picturesque Greek island, Donna Sheridan, a strong and independent single mother, runs a charming small hotel. As she gears up for her daughter Sophie’s wedding, she receives invaluable support from her two lifelong friends, Tanya and Rosie. They reminisce and bond, helping Donna navigate the whirlwind of wedding preparations.
Sophie, the vibrant and determined bride, harbors a secret ambition of her own. Eager to uncover her true lineage, she invites three of her mother’s former lovers—Sam, Harry, and Bill—to the island. Sophie hopes that one of them will be her biological father, envisioning a heartfelt moment where he walks her down the aisle on her special day.
As the wedding approaches, tensions rise and emotions run high. Donna is unaware of Sophie’s plan, which adds an element of surprise and intrigue to the festivities. The arrival of the three men stirs up old memories and unresolved feelings, complicating the joyful occasion.
Amidst laughter and tears, the characters grapple with their pasts while celebrating the love and connection that binds them. The island’s enchanting backdrop amplifies the magic of the wedding, leading to heartfelt revelations and the promise of new beginnings.