The sentimental true story of Soeur Sourire, the singing nun who made it all the way to the Ed Sullivan Show, is faithfully retold. Reynolds plays the guitar-strumming Belgian nun who takes an interest in Cordell, a motherless boy whose father is alcoholic. The only one who loves the tyke
is his 17-year-old sister, Ross. Reynolds writes the song "Dominique" for Cordell. Montalban, a warmhearted priest, does his best to promote the song. He talks to Everett, an old pal who is now a record producer. It turns out that he and Reynolds attended the Paris Conservatory of Music together.
Reynolds is shocked when she discovers that Ross has posed for some risque photograph...