Tamsin and her best friend Michelle have been inseparable since they were teenagers. Even now they spend all their time together, along with Patrick, Michelle's handsome husband.So when Tamsin hears a rumour that Patrick is having an affair, she is furious. Unwilling to ignore it, Tamsin plots a scheme to catch Patrick in the act, using her assistant Bea as live-bait. It should be fool proof. After all, Tamsin can trust Bea with anything. From her daily coffee order to fetching her dry-cleaning, writing reports and doing all the filing - Bea does everything with a smile on her face.Except Tamsin never considered Bea might have her own agenda.And if she does, then Tamsin really needs to watch her back . . .