A stay-at-home mom with a past navigates a murder in Silicon Valley...When a lifeguard's body is found at the local pool where Tierney lap swims daily, she is pulled back into the life she thought she had left behind when she was a member of the Crisis Intervention Squad in Dublin, Ireland. A former hostage negotiator turned stay-at-home mom, her move to Silicon Valley for her husband's job offered the contrast of a calm, domestic life. But this murder investigation disrupts all that, connecting to an event in her past, and threatening to overwhelm her.On the domestic front, the cliques at her kindergartener's new private school aren't making it easy for her to fit in either. This 'fish out of water' story is a domestic thriller set amid a backdrop of the tech industry's 2007 stock-option backdating scandal.As Tierney struggles with survivor's guilt from her previous employment and wrestles with the motherhood/career balancing act, there's still a murder to be solved. And in helping solve it, Tierney discovers the assumptions we make about people can be completely incorrect-even when those people are ourselves.