Stella Bradberry and Bella Chambers work at the same high-achieving, high-end London firm. Bella is a pretty, young single mum, but an assistant to men with half her smarts. Stella, a go-getting, multi-tasking mother of two, has a seat on the board firmly in her sights.

But then these two sharp, intelligent women do something rash: they embark on affairs with male colleagues they wouldnt look twice at outside work. Suddenly, both are telling lies to friends, loved ones and workmates. In the grip of passions they cannot, nor wish to, control, they carelessly break all the rules, sabotaging friendships and careers.

Theyve risked their livelihoods for love. But ending an affair is always harder than beginning one...

Smart, funny, moving and agonizing, Lucy Kellaways In Office Hours holds up a mirror to modern corporate life.