Laura is a middle class housewife married to Fred, with two children. Alec, also married, is a middle class doctor. When Laura and Alec meet by accident in a railway station, they begin to fall in love, but it is a love that society will not allow…

I don’t want to pretend anything either to you or to anyone else…but from now on I shall have to. That’s what’s wrong – don’t you see? That’s what spoils everything. That’s why we must stop here and now talking like this. We are neither of us free to love each other, there is too much in the way. There’s still time, if we control ourselves and behave like sensible human beings, there’s still time to – to…
(Alec There’s no time at all.
A waiter enters with a bottle and two glasses. He pops the cork and pours.)
Loving you is hard for me – it makes me a stranger in my own house. Familiar things, ordinary things that I’ve known for years, like the dining room curtains and the wooden tub with th esilver top that holds biscuits and the water colour of San Remo that my mother painted,  look odd to me, as though they belonged to someone else – when I’ve just left you, when I go home, I’m more lonely than I’ve ever been before. I passed the house the other day without noticing and had to turn back, and when I went in it seemed to draw away from me – my whole life seems to be drawing away from me, and – and I don’t know what to do. I love them just the same, Fred I mean and the children, but it’s as though it wasn’t me at all –  as though I were looking on at someone else. Do you know what I mean? Is it the same with you? Or is it easier for men –