It is the year 1916, and pretty young Eithne Clay runs a shabby but genteel South London boarding house while her husband is off at war. Her 14-year old son Ralph dotes on his mother, but has adolescent thoughts he'd rather hide from her.
Winnie, the young maid, is a homely, good-hearted country girl, rejected by Archie, the cheeky butcher's boy before he too is called up. And when the dreaded telegram arrives at the house, things turn from difficult to desperate for the two young women....