In Geneva, living by an idyllic lake, Alix seems to have a perfect life: a wonderful teenage daughter; a lovely house; a surprisingly agreeable ex-husband; and, newest of all, a great love in the form of David Moller, a successful, charismatic banker. After all, as he tells her, his marriage to the unseen Katherine is merely a marriage of convenience.But soon life becomes more complicated than Alix could ever have imagined, with death touching her life, and strangers, good or bad, turning her life upside down. Even her friends don't always seem to be what she thought. But then, as she observes, all we know about even our closest friends is what they allow us to see...