Catch a moonbeam

After the death of her father, Melanie Jordan decides to give up her career as a musician to run the family business. She is persuaded to accompany her father's friend and her nephew, the conductor Carlton Kendall, whose arm has been injured in an accident. Marcia Dawson the soprano also joins the party, but soon Melanie suspects that there is a mystery behind the accident and questions the true value of the old violin which her father left.