The daughter of a distinguished soldier Bess Crawford follows in his footsteps and signs up to go overseas as a nurse during the Great War helping to deal with the many wounded. There serving on a hospital ship she makes a promise to a dying young lieutenant to take a message to his brother Jonathan Graham: ‘Tell Jonathan that I lied. I did it for Mothers sake. But it has to be set right.’ Later when her ship is sunk by a mine and shes sidelined by a broken arm Bess returns home to England determined to fulfill her promise.
