On a beautiful Greek island, Sophie, a young woman brimming with dreams and desires, is about to get married. However, there is one detail that worries her: she doesn't know who her father is. Believing that her dad’s presence at her wedding would be an invaluable gift, she decides to take matters into her own hands and searches for answers in her mother Donna's diary. Through her readings, she discovers that there are three men who could be her father: Sam, a hopeless romantic; Bill, a free-spirited adventurer; and Harry, a conservative British style gentleman.
Without a second thought, Sophie invites all three to the wedding, keeping their identities a secret. Meanwhile, Donna, who has been running a small hotel on her own, prepares for the arrival of her former lovers, unleashing a whirlwind of emotions and memories. As the men arrive, the island fills with laughter, music, and endless hilarious entanglements. The past and present collide in an explosion of feelings as everyone faces the choices they've made throughout their lives. In this backdrop of romance, friendship, and ABBA songs, Sophie and Donna must discover the true meaning of family and love, all under the shining Mediterranean sun. Life, love, and fun are just around the corner in this vibrant musical comedy.