An absorbing thriller set in the 1940s.
Two women uncover a devastating secret that will change their friendship for ever.
Elsie Haworth and Kathleen James are old school friends, working on the rebuilding of Waterloo Bridge.
Elsie is heavily pregnant, but will not reveal the father's name to anyone, not even Kathleen.
A police inspector starts to dog the two women's footsteps, asking probing questions about the mysterious father.
The plot thickens and then thickens again.