It is the year 1916, pretty young Eithne Clay runs a shabby but genteel South London boarding house while husband is off at war. Her fourteen-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...