Your partner of ten years, and the father of your children, receives a text. You happen to see it. 'Start living a different kind of life ... P :-) xxx'. You don't know anyone with the initial P, so what's with the smiley face and the kisses? Narrated by Susie, her partner Alex and the mysterious 'P', Separate Lives is an achingly funny, moving and honest portrayal of marriage and adultery. These characters are never less than totally human. You'll have met people like them. They might even be you.