Melody Lane.

A songwriter leaves his chorus girl sweetheart to join the US Army in WWI. In France he falls in love with French singer Madelon. He is crippled in action. Back in the States, his girl friend there leaves him. But Madelon can't forget him and comes to the USA to work there as singer. Per chance she meets the songwriter, and he is cured. Singing one of his love songs, he knows that he has found the right girl.