“The secret to happiness? I mean, who wouldn’t want that?”

Every seven years, Ciara is thrown together with a group of people who were born on the same day as her. There’s fun-loving extrovert Amelia, the girl Ciara wishes she could be. And serious, gorgeous Max, the boyfriend she wishes she could have.

They’re all part of a long-term social study. And the subject? Happiness.

Meeting them at the ages of seven, fourteen, twenty-one and sometimes in between, Ciara develops increasingly intense relationships with Amelia and Max... until it all falls tragically apart.

Then, before the next meeting at twenty-eight, Max comes back into Ciara’s life unexpectedly. And it’s a disaster.

Can Ciara ever be truly happy?

A funny and romantic novel... a serious look at happiness.