Fact-based war drama about an American battalion of over 500 men which gets trapped behind enemy lines in the Argonne Forest in October 1918 France during the closing weeks of World War I.

Set in the fictional village of "Ogw" in the valleys of south-east Wales. After her father Jack suffers a stroke Annie Mary Pugh is forced to take care of him but uses the circumstances to emancipate herself and find the courage to sing once again.