When Cait, a chaotic single mother, becomes the agony aunt for a glossy parenting magazine, she thinks she might be the single worst person to do the job.

But despite her early unwillingness, she gradually realises that the women writing might really need her help. Perhaps mothers need to realise that they're not actually expected to be perfect, after all?

Then Cait gets an email from a mysterious reader - a single dad who simply signs his name R...