Misfit Muriel has always escaped her humdrum small-town life by listening to ABBA songs and dreaming about marriage. Ready to take control of her life, she and her best friend, Rhonda head for the big city where they end up having the exciting adventure of their lives. Everyone back home suddenly takes notice when Muriel becomes engaged to a handsome and popular sports hero, but Muriel discovers that even when it seems all her dreams are coming true, her path to the altar still has plenty of surprising twists.