Ever wanted a peak at someone else's emails? Meet Holly Denham. It's her first day as a receptionist at a City investment bank and, with no cooperate front-of-house experience, Holly is struggling to keep up. Add to this her mad friends, dysfunctional family and gossipy colleagues, and Holly's inbox is a daily source of drama, laughter, scandal and even romance. But Holly's keeping a secret from everyone - and the past is about to catch up with her...