When World War II breaks out, Suzanne Linfoot's dream of one day forming an all-women orchestra crumbles. Dedicated to doing her bit for the war effort but determined not to give up her music, Suzanne joins a swing band who are members of the ENSA - the Entertainment National Service Association - to entertain the troops in some of the worst-hit cities across Europe. With the world at war, Suzanne helps build morale for her country's troops. But she is also battling with her own demons, determined to find out the truth about a long-held family secret much closer to home.