Inconceivable - Ben Elton

Lucy desperately wants a baby. Sam is determined to write a hit movie. The problem is that both their efforts seem to be unfruitful. And given that the average IVF cycle has about a one in five chance of going into full production, Lucy’s chances of getting what she wants are considerably better than Sam’s.

What Sam and Lucy are about to go through is absolutely inconceivable. The question is, can their love survive?