In the sequel to "Smilin' Through," Jeanette MacDonald and Nelson Eddy have it all: each other, the child they longed for and an exciting new career move on the horizon, but when a young soldier is killed in the Pacific, his death begins a chain reaction that alters the course of their lives, forever. Join America's most musical duo as their love is tested and strengthened by a fresh round of trials, tragedies and triumphs set in a country still at war.